Vulnerability · Published Apr 12, 2026 · Assigned by VulDB
CVE-2026-6122Tenda F451 httpd L7Prot frmL7ProtForm stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in F451 from Tenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 54.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in Tenda F451 1.0.0.7. Affected by this issue is the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Such manipulation of the argument page leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-356985 | Tenda F451 httpd L7Prot frmL7ProtForm stack-based overflow vdb-entry, technical-description
- VDB-356985 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #792872 | Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow third-party-advisory
- https://github.com/Jimi-Lab/cve/issues/14 exploit, issue-tracking
- https://www.tenda.com.cn/ product