CVE-2026-93738 Totolink A3002MU formSchedule buffer overflow
Remote attackers can exploit a buffer overflow in the Totolink A3002MU router's formSchedule function to potentially execute arbitrary code or escalate privileges.
- 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-2026-93738?
CVE-2026-93738 is a critical memory corruption vulnerability in Totolink A3002MU, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Totolink A3002MU Hh-B20211125.1046. This affects the function formSchedule of the file /boafrm/formSchedule. Performing a manipulation of the argument webpage results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used.
Which versions are affected by CVE-2026-93738?
How do I fix CVE-2026-93738?
No fix has been published for CVE-2026-93738 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-2026-93738 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-93738 exists.
Sources
Also known as GHSA-cvqm-vq22-35jf.