CVE-2026-105284 Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization
Remote attackers can bypass authentication checks in the Totolink A3002MU router's boa web server, gaining unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105284?
CVE-2026-105284 is a critical missing authorization vulnerability in Totolink A3002MU, published on 5 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in Totolink A3002MU 1.0.0-B20230403.1455. The impacted element is the function sub_40FCFC of the file /bin/boa of the component Authentication Check. Executing a manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-105284?
How do I fix CVE-2026-105284?
No fix has been published for CVE-2026-105284 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-105284 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-105284 exists.
Sources
Also known as GHSA-pjpq-5r9w-r525.