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CVE-2026-3378

HIGH CVSS 4.0: 7.4 EPSS 0.09%
Updated Mar 01, 2026
Tenda
Parameter Value
CVSS 7.4 (HIGH)
Type CWE-119 (Buffer Overflow), CWE-120 (Buffer Copy without Checking Size)
Vendor Tenda
Public PoC No

A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromqossetting of the file /goform/qossetting. Executing a manipulation of the argument qos can lead to buffer overflow.

The attack can be launched remotely. The exploit has been published and may be used.

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