CVE-2025-11444 TOTOLINK N600R HTTP Request cstecgi.cgi setWiFiBasicConfig buffer overflow
A remote attacker can trigger a buffer overflow in the TOTOLINK N600R router's HTTP handler, potentially leading to arbitrary code execution.
- 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-2025-11444?
CVE-2025-11444 is a high-severity memory corruption vulnerability in TOTOLINK N600R, published on 8 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in TOTOLINK N600R up to 4.3.0cu.7866_B20220506. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi of the component HTTP Request Handler. Such manipulation of the argument wepkey leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2025-11444?
It affects 1 product.
Products include Totolink N600r Firmware.
How do I fix CVE-2025-11444?
No fix has been published for CVE-2025-11444 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-2025-11444 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11444 exists.
Other vulnerabilities in TOTOLINK N600R
Sources
Also known as GHSA-45rh-24p6-9743.