CVE-2025-6487 TOTOLINK A3002R formRoute stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the formRoute function to execute arbitrary code on TOTOLINK A3002R routers.
- 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-2025-6487?
CVE-2025-6487 is a high-severity memory corruption vulnerability in Totolink A3002r Firmware, published on 22 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in TOTOLINK A3002R 1.1.1-B20200824.0128. It has been rated as critical. This issue affects the function formRoute of the file /boafrm/formRoute. The manipulation of the argument subnet leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-6487?
It affects 1 product.
Products include Totolink A3002r Firmware.
How do I fix CVE-2025-6487?
No fix has been published for CVE-2025-6487 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-2025-6487 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6487 exists.
Other vulnerabilities in Totolink A3002r Firmware
Sources
Also known as GHSA-3mr3-hmmq-cq24.