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CVE-2026-6134

HIGH CVSS 4.0: 7.4 EPSS 0.02%
Updated Apr 12, 2026
Parameter Value
CVSS 7.4 (HIGH)
Type CWE-121 (Stack-based Buffer Overflow), CWE-119 (Buffer Overflow)
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0