CVE-2026-90608

CRITICAL CVSS 4.0: 8.6 EPSS 0.85%
Updated Sep 16, 2026
Totolink
Parameter Value
CVSS 8.6 (CRITICAL)
Type CWE-119 (Buffer Overflow), CWE-120 (Buffer Copy without Checking Size)
Vendor Totolink
Public PoC No

A flaw has been found in Totolink A3002MU Hh-B20211125.1046. The affected element is the function formPortFw of the file /boafrm/formPortFw of the component boa. This manipulation of the argument service_type causes buffer overflow.

It is possible to initiate the attack 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

Vulnerable Products

totolink:a3002mu