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Public proof of concept

CVE-2026-2911

A public proof of concept exists; no exploitation attested.

  • Published2026-02-22
  • WeaknessCWE-119 · CWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the file /goform/GstDhcpSetSer. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Timeline

dates in UTC
  1. 2026-02-2204:15CVE publishedNVD

Versions per branch

NVD
Tenda fh451 firmwareversion to verify
BranchAffectedFixed in
1.0= 1.0.0.9no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Tenda FH451
    Affected
    • = 1.0.0.0no fix stated
    • = 1.0.0.1no fix stated
    • = 1.0.0.2no fix stated
    • = 1.0.0.3no fix stated
    • = 1.0.0.4no fix stated
    • = 1.0.0.5no fix stated
    • = 1.0.0.6no fix stated
    • = 1.0.0.7no fix stated

    2 more version lines in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-02-22

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2026-02-23
  • CNACVSS 4.07.4known since 2026-10-23
  • CNACVSS 3.18.8known since 2026-10-23
  • CNACVSS 2.09known since 2026-10-23
  • CNAweakness (CWE)CWE-119, CWE-120known since 2026-10-23
  • FIRST EPSSEPSS score3.5 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
Published
2026-02-22
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-qf2x-h525-fc86

Frequently asked questions

What is CVE-2026-2911?

A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the file /goform/GstDhcpSetSer. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Is CVE-2026-2911 actively exploited?

A proof-of-concept exploit exists for CVE-2026-2911, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-2911?

CVE-2026-2911 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record