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CVE-2026-6632

Tenda F451 httpd SafeClientFilter fromSafeClientFilter buffer overflow

CVSS 8.7 HIGHEPSS 0.4%CWE-119CWE-120
Vexday Risk Score
41Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 8.7EPSS 0.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
20 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was identified in Tenda F451 1.0.0.7_cn_svn7958. The affected element is the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component httpd. The manipulation of the argument menufacturer/Go leads to buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
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
Affected products
Tenda · F451
public PoCs found — 1
cve_referencegithub.com/Jimi-Lab/cve/issues/26unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/Jimi-Lab/cve/issues/26https://vuldb.com/submit/792905https://vuldb.com/vuln/358266https://vuldb.com/vuln/358266/ctihttps://www.tenda.com.cn/