Vulnerability · Published Feb 28, 2026 · Assigned by VulDB
CVE-2026-3376Tenda F453 SafeMacFilter fromSafeMacFilter 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 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 42.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromSafeMacFilter of the file /goform/SafeMacFilter. Such manipulation of the argument page leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may 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-348261 | Tenda F453 SafeMacFilter fromSafeMacFilter buffer overflow vdb-entry, technical-description
- VDB-348261 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #759623 | 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_76/README.md exploit
- https://www.tenda.com.cn/ product