Vulnerability-Lookup

CVE-2026-90688 (GCVE-0-2026-90688)

Vulnerability from cvelistv5 – Published: 2026-09-14 06:00 – Updated: 2026-09-15 15:57

Title

Tenda W20E HTTP formIPMacBindAdd stack-based overflow

Summary

A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:R

6.5 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 15:57 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/403221	vdb-entrytechnical-description
https://vuldb.com/vuln/403221/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90688	third-party-advisory
https://vuldb.com/submit/914958	third-party-advisory
https://github.com/Amalll-Sec/router-vulnerabilit…	related
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version	CPE status
Tenda	W20E	Affected: 15.11.0.61068_1546_841_CN_TDC cpe:2.3:o:tenda:w20e_firmware::::::::

Credits

AmaIIl (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-90688

Vulnerability from fkie_nvd - Published: 2026-09-14 07:17 - Updated: 2026-09-15 16:17

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-90688
	cna@vuldb.com	https://vuldb.com/submit/914958
	cna@vuldb.com	https://vuldb.com/vuln/403221
	cna@vuldb.com	https://vuldb.com/vuln/403221/cti
	cna@vuldb.com	https://www.tenda.com.cn/
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  "lastModified": "2026-09-15T16:17:39.990",
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          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "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:L/UI:N/VC:N/VI:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-90688",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-15T15:57:29.684776Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-14T07:17:24.513",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-90688"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/914958"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/403221"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/403221/cti"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://www.tenda.com.cn/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-XQQ3-P9CQ-5C28

Vulnerability from github – Published: 2026-09-14 09:31 – Updated: 2026-09-14 09:31

Details

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

7.1 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-90688"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-14T07:17:24Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.",
  "id": "GHSA-xqq3-p9cq-5c28",
  "modified": "2026-09-14T09:31:02Z",
  "published": "2026-09-14T09:31:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90688"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-90688"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/914958"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403221"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403221/cti"
    },
    {
      "type": "WEB",
      "url": "https://www.tenda.com.cn"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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",
      "type": "CVSS_V4"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-90688 (GCVE-0-2026-90688)

FKIE_CVE-2026-90688

GHSA-XQQ3-P9CQ-5C28

Tags

Sightings

Nomenclature