Home/CVE/A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The m
CVE

CVE-2026-3677

A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The m

A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow.

The attack may be performed from remote. The exploit has been made public and could be used.

HIGH · CVSS 8.8 EPSS 0.00106
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
▤

Affected Products & Versions

1
tenda fh451 firmwareall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · README.mdgithub.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Mar 2026 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.349579Permissions RequiredVDB Entry
https://vuldb.com/?id.349579Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.765329Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product
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