CVE-2025-67188 Memory corruption in n/a
Remote attackers can trigger a stack buffer overflow in the TOTOLINK A950RG router via the setRadvdCfg interface, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-67188?
CVE-2025-67188 is a critical memory corruption vulnerability in n/a, published on 3 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the setRadvdCfg interface of the /lib/cste_modules/ipv6.so module. The function fails to properly validate the length of the user-controlled radvdinterfacename parameter, allowing remote attackers to trigger a stack buffer overflow.
Weakness: CWE-120
Which versions are affected by CVE-2025-67188?
It affects 1 product.
Products include Totolink A950rg Firmware.
How do I fix CVE-2025-67188?
No fix has been published for CVE-2025-67188 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-2025-67188 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-67188 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wv35-4hfx-h763.