Vulnerability · Published Apr 12, 2026 · Assigned by VulDB

CVE-2026-6134Tenda F451 qossetting fromqossetting stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in F451 from Tenda. There are no confirmed reports of exploitation so far. 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 48.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in Tenda F451 1.0.0.7_cn_svn7958. This vulnerability affects the function fromqossetting of the file /goform/qossetting. Performing a manipulation of the argument qos results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Affected products (as reported)

Vendor	Product	Versions
Tenda	F451	1.0.0.7_cn_svn7958

Weakness: CWE-121, 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-356998 | Tenda F451 qossetting fromqossetting stack-based overflow vdb-entry, technical-description
VDB-356998 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #792876 | 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/18 exploit, issue-tracking
https://www.tenda.com.cn/ product