CVE-2026-71933 (GCVE-0-2026-71933)

Vulnerability from cvelistv5 – Published: 2026-08-24 17:07 – Updated: 2026-08-26 16:14
VLAI
Title
DrayTek VigorSwitch Multiple Models Missing Authorization in Syslog Functions
Summary
Multiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions. The vulnerability is caused by missing authorization checks. A remote attacker can trigger these vulnerabilities via crafted requests to modify configuration, restart services, save startup configuration, or clear logs.
Severity
8.8 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 16:08 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
DrayTek Corporation VigorSwitch G2540xs Affected: 0 , < 3.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2540xs Affected: 0 , < 3.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch FX2120 Affected: 0 , < 3.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2282x Affected: 0 , < 2.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2282x Affected: 0 , < 2.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch Q2300x Affected: 0 , < 2.10.7 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PQ2300xb Affected: 0 , < 2.10.7 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2542x Affected: 0 , < 3.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2542x Affected: 0 , < 3.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2542xh Affected: 0 , < 3.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PX2060 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G1280 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P1280 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P1281x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G1282 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P1282 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2121 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2121 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PQ2121x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch Q2121x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2280x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2280x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch Q2200x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PQ2200xb Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2100 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2100 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2540x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2540x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
Date Public
2026-08-24 00:00
Credits
Jincheng Wang (@winmt) Le Yu (Nanjing University of Posts and Telecommunications) Xiapu Luo (The Hong Kong Polytechnic University)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-71933",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-26T16:08:02.299010Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-26T16:14:12.954Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G2540xs",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "3.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2540xs",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "3.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch FX2120",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "3.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G2282x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.10.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2282x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.10.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch Q2300x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.10.7",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch PQ2300xb",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.10.7",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G2542x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "3.10.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2542x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "3.10.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2542xh",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "3.10.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch PX2060",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G1280",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P1280",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P1281x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G1282",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P1282",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G2121",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2121",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch PQ2121x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch Q2121x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G2280x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2280x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch Q2200x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch PQ2200xb",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G2100",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2100",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch G2540x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VigorSwitch P2540x",
          "vendor": "DrayTek Corporation",
          "versions": [
            {
              "lessThan": "2.9.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_g2540xs_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "3.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_p2540xs_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "3.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_fx2120_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "3.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_g1282_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_p1282_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_g2121_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_pq2121x_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_q2121x_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_g2280x_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_p2280x_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_q2200x_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_pq2200xb_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_g2100_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:draytek:vigorswitch_p2100_firmware:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.9.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Jincheng Wang (@winmt)"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Le Yu (Nanjing University of Posts and Telecommunications)"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Xiapu Luo (The Hong Kong Polytechnic University)"
        }
      ],
      "datePublic": "2026-08-24T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions. The vulnerability is caused by missing authorization checks. A remote attacker can trigger these vulnerabilities via crafted requests to modify configuration, restart services, save startup configuration, or clear logs."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-24T17:07:59.089Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/"
        },
        {
          "name": "VulnCheck Advisory: DrayTek VigorSwitch Multiple Models Missing Authorization in Syslog Functions",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-missing-authorization-in-syslog-functions"
        }
      ],
      "title": "DrayTek VigorSwitch Multiple Models Missing Authorization in Syslog Functions",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-71933",
    "datePublished": "2026-08-24T17:07:59.089Z",
    "dateReserved": "2026-08-08T16:37:44.519Z",
    "dateUpdated": "2026-08-26T16:14:12.954Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-71933",
      "date": "2026-08-27",
      "epss": "0.00379",
      "percentile": "0.3074"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-71933\",\"sourceIdentifier\":\"disclosure@vulncheck.com\",\"published\":\"2026-08-24T18:17:18.090\",\"lastModified\":\"2026-08-26T17:17:13.007\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Multiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions. The vulnerability is caused by missing authorization checks. A remote attacker can trigger these vulnerabilities via crafted requests to modify configuration, restart services, save startup configuration, or clear logs.\"}],\"affected\":[{\"source\":\"disclosure@vulncheck.com\",\"affectedData\":[{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G2540xs\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2540xs\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch FX2120\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G2282x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.10.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2282x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.10.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch Q2300x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.10.7\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch PQ2300xb\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.10.7\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G2542x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.10.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2542x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.10.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2542xh\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.10.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch PX2060\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G1280\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P1280\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P1281x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G1282\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P1282\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G2121\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2121\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch PQ2121x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch Q2121x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G2280x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2280x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch Q2200x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch PQ2200xb\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G2100\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2100\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch G2540x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"DrayTek Corporation\",\"product\":\"VigorSwitch P2540x\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.9.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-08-26T16:08:02.299010Z\",\"id\":\"CVE-2026-71933\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"references\":[{\"url\":\"https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-missing-authorization-in-syslog-functions\",\"source\":\"disclosure@vulncheck.com\"}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.