Vulnerability-Lookup

CVE-2026-82542 (GCVE-0-2026-82542)

Vulnerability from cvelistv5 – Published: 2026-08-30 12:30 – Updated: 2026-09-01 14:02

Title

Tenda HG10 Boa Web Server formIPv6Routing buffer overflow

Summary

A weakness has been identified in Tenda HG10 300001138. Affected by this issue is the function formIPv6Routing of the file /boaform/admin/formIPv6Routing of the component Boa Web Server. This manipulation of the argument destNet causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Severity

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/E:P

10 (Critical)


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

10 (Critical)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 14:01 UTC

CWE

CWE-120 - Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/397058	vdb-entrytechnical-description
https://vuldb.com/vuln/397058/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82542	third-party-advisory
https://vuldb.com/submit/888876	third-party-advisory
https://github.com/SunnyYANGyaya/cuicuishark-shee…	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version	CPE status
Tenda	HG10	Affected: 300001138 cpe:2.3:o:tenda:hg10_firmware::::::::

Credits

sunnyyaya (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-82542

Vulnerability from fkie_nvd - Published: 2026-08-30 13:16 - Updated: 2026-08-31 20:56

Severity

10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formIPv6Route-destNt.md
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-82542
	cna@vuldb.com	https://vuldb.com/submit/888876
	cna@vuldb.com	https://vuldb.com/vuln/397058
	cna@vuldb.com	https://vuldb.com/vuln/397058/cti
	cna@vuldb.com	https://www.tenda.com.cn/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*"
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    }
  ],
  "id": "CVE-2026-82542",
  "lastModified": "2026-08-31T20:56:08.800",
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          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
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          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-08-30T13:16:56.267",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formIPv6Route-destNt.md"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-82542"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/888876"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/397058"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/397058/cti"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://www.tenda.com.cn/"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Primary"
    }
  ]
}

GHSA-RHPR-6C55-Q8Q3

Vulnerability from github – Published: 2026-08-30 15:30 – Updated: 2026-08-30 15:30

Details

Severity

10.0 (Critical)


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

9.3 (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/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-82542"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-30T13:16:56Z",
    "severity": "CRITICAL"
  },
  "details": "A weakness has been identified in Tenda HG10 300001138. Affected by this issue is the function formIPv6Routing of the file /boaform/admin/formIPv6Routing of the component Boa Web Server. This manipulation of the argument destNet causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.",
  "id": "GHSA-rhpr-6c55-q8q3",
  "modified": "2026-08-30T15:30:26Z",
  "published": "2026-08-30T15:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82542"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formIPv6Route-destNt.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-82542"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/888876"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/397058"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/397058/cti"
    },
    {
      "type": "WEB",
      "url": "https://www.tenda.com.cn"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:P/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-2026-82542 (GCVE-0-2026-82542)

FKIE_CVE-2026-82542

GHSA-RHPR-6C55-Q8Q3

Tags

Sightings

Nomenclature