Vulnerability · Published Apr 20, 2026 · Assigned by VulDB
CVE-2026-6630Tenda F451 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow
High 8.8
In plain English
A high-severity 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 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 61.0% 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_cn_svn7958. This issue affects the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. Performing a manipulation of the argument dips results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.
Affected products (as reported)
Weakness: CWE-120, 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-358264 | Tenda F451 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow vdb-entry, technical-description
- VDB-358264 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #792882 | 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/23 exploit, issue-tracking
- https://www.tenda.com.cn/ product