GCVE-1-2026-20208

Vulnerability from gna-1 – Published: 2026-08-24 09:14 – Updated: 2026-08-24 10:23
VLAI CIRCL
Title
Switch RG-ES208GC - Reyee - Ruijie equipments
Summary
Heap-based Buffer Overflow vulnerability in Ruijie Reyee RG-ES208GC (at least) allows Overflow Buffers.This issue affects at least RG-ES208GC - Reyee - Ruijie equipments. Discovered on a honeypot operated by CIRCL.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
GNA-1 This instance
References
Impacted products
Vendor Product Version CPE status
Ruijie Reyee RG-ES208GC Unknown: 0 , ≤ 999999 (semver)
guessed Create a notification for this product.
Credits
Paul Jung The unknown scanner from China Mobile network
CIRCL
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e8b8d385-eeed-46ce-9754-6cc7d1b4061c

Vulnerability ID: GCVE-1-2026-20208

Status: Confirmed

Status Updated: 2026-08-24 09:15 UTC

Exploited: Yes

Timestamps
First Seen: 2026-08-24
Asserted: 2026-08-24
Last Seen: 2026-08-24
Created: 2026-08-24 09:56 UTC | Updated: 2026-08-24 09:56 UTC
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Reyee RG-ES208GC",
          "vendor": "Ruijie",
          "versions": [
            {
              "lessThanOrEqual": "999999",
              "status": "unknown",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "other",
          "value": "Paul Jung"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "The unknown scanner from China Mobile network"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Heap-based Buffer Overflow vulnerability in Ruijie Reyee RG-ES208GC (at least) allows Overflow Buffers.\u003cp\u003eThis issue affects at least\u0026nbsp;RG-ES208GC - Reyee - Ruijie equipments.\u003cbr\u003e\u003c/p\u003e\u003cp\u003eDiscovered on a honeypot operated by CIRCL.\u003c/p\u003e"
            }
          ],
          "value": "Heap-based Buffer Overflow vulnerability in Ruijie Reyee RG-ES208GC (at least) allows Overflow Buffers.This issue affects at least\u00a0RG-ES208GC - Reyee - Ruijie equipments.\n\n\nDiscovered on a honeypot operated by CIRCL."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "Local exploitation"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "orgId": "00000000-0000-4000-9000-000000000000"
      },
      "references": [
        {
          "tags": [
            "product"
          ],
          "url": "https://reyee.ruijie.com/en-global/products/reyee-switch/smart-cctv-switch/es208gc/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Switch RG-ES208GC - Reyee - Ruijie equipments",
      "x_gcve": [
        {
          "recordType": "advisory",
          "vulnId": "gcve-1-2026-20208"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "00000000-0000-4000-9000-000000000000",
    "datePublished": "2026-08-24T09:14:00.000Z",
    "dateUpdated": "2026-08-24T10:23:30.515440Z",
    "requesterUserId": "00000000-0000-4000-9000-000000000000",
    "serial": 1,
    "state": "PUBLISHED",
    "vulnId": "gcve-1-2026-20208"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}



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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.