Vulnerability · Published Mar 1, 2026 · Assigned by VulDB
CVE-2026-3399Tenda F453 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in F453 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)3.7%top 10.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. The manipulation of the argument dips leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might 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-348294 | Tenda F453 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow vdb-entry, technical-description
- VDB-348294 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #759631 | Tenda F453 v1.0.0.3 Buffer Access Using Size of Source Buffer third-party-advisory
- https://github.com/Litengzheng/vul_db/blob/main/F453/vul_83/README.md exploit
- https://www.tenda.com.cn/ product