Vulnerability · Published Apr 27, 2026 · Assigned by VulDB
CVE-2026-7099Tenda F456 httpd QuickIndex formQuickIndex 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 51% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.5% 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. The affected element is the function formQuickIndex of the file /goform/QuickIndex of the component httpd. Performing a manipulation of the argument mit_linktype results in buffer overflow. The attack may be initiated remotely. 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-359674 | Tenda F456 httpd QuickIndex formQuickIndex buffer overflow vdb-entry, technical-description
- VDB-359674 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #798472 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_137/README.md exploit
- https://www.tenda.com.cn/ product