CVE-2026-90605 Totolink A3002MU boa formFilter buffer overflow
Remote attackers can trigger a buffer overflow in the Totolink A3002MU router via the formFilter component, potentially leading to code execution or service disruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90605?
CVE-2026-90605 is a critical memory corruption vulnerability in Totolink A3002MU, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Totolink A3002MU Hh-B20211125.1046. This vulnerability affects the function formFilter of the file /boafrm/formFilter of the component boa. Executing a manipulation of the argument ip6addr can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-90605?
How do I fix CVE-2026-90605?
No fix has been published for CVE-2026-90605 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-90605 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90605 exists.
Sources
Also known as GHSA-8jwp-4qfm-p6r2.