CVE-2026-36837 Memory corruption in n/a
A stack-based buffer overflow in the TOTOLINK A3002RU router allows attackers to execute arbitrary code or cause a denial of service via the hostname parameter.
- 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-2026-36837?
CVE-2026-36837 is a high-severity memory corruption vulnerability in n/a, published on 29 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TOTOLINK A3002RU V3 <= V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the hostname parameter in the formMapDelDevice function.
Weakness: CWE-121
Which versions are affected by CVE-2026-36837?
How do I fix CVE-2026-36837?
No fix has been published for CVE-2026-36837 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-2026-36837 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36837 exists.
Sources
Also known as GHSA-gmx5-v3g8-xx8r.