Vulnerability · Published Apr 26, 2026 · Assigned by VulDB
CVE-2026-7056Tenda F456 httpd SafeUrlFilter fromSafeUrlFilter buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in F456 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 50.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was detected in Tenda F456 1.0.0.5. Impacted is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be performed from remote. The exploit is now public 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-359629 | Tenda F456 httpd SafeUrlFilter fromSafeUrlFilter buffer overflow vdb-entry, technical-description
- VDB-359629 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #798458 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow third-party-advisory
- Submit #798462 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow (Duplicate) third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_127/README.md exploit
- https://www.tenda.com.cn/ product