Vulnerability · Published Apr 12, 2026 · Assigned by VulDB
CVE-2026-6123Tenda F451 httpd addressNat fromAddressNat stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in F451 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 55.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in Tenda F451 1.0.0.7. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Performing a manipulation of the argument entrys results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could 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-356986 | Tenda F451 httpd addressNat fromAddressNat stack-based overflow vdb-entry, technical-description
- VDB-356986 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #792873 | Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow third-party-advisory
- Submit #792879 | Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow (Duplicate) third-party-advisory
- https://github.com/Jimi-Lab/cve/issues/15 exploit, issue-tracking
- https://www.tenda.com.cn/ product