CVE-2025-4732 TOTOLINK A3002R/A3002RU HTTP POST Request formFilter buffer overflow
Remote attackers can trigger a buffer overflow in the HTTP POST handler of TOTOLINK routers, 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-2025-4732?
CVE-2025-4732 is a high-severity memory corruption vulnerability in Totolink A3002r Firmware, published on 16 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as critical was found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This vulnerability affects unknown code of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument ip6addr leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-4732?
It affects 2 products.
Products include Totolink A3002r Firmware, Totolink A3002ru Firmware.
How do I fix CVE-2025-4732?
No fix has been published for CVE-2025-4732 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-2025-4732 being exploited?
There is no known exploitation of CVE-2025-4732 in the wild and no public exploit code.
Other vulnerabilities in Totolink A3002r Firmware
Sources
Also known as GHSA-w69p-jjp3-x9m8.