CVE-2026-36771 Memory corruption in n/a
Attackers can cause a Denial of Service on Tenda W3 routers by exploiting a stack overflow in the SSID setting function.
- 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-2026-36771?
CVE-2026-36771 is a high-severity memory corruption vulnerability in n/a, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.3(2204) was discovered to contain a stack overflow in the wl_radio parameter of the formwrlSSIDset function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Weakness: CWE-121
Which versions are affected by CVE-2026-36771?
How do I fix CVE-2026-36771?
No fix has been published for CVE-2026-36771 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-2026-36771 being exploited?
There is no known exploitation of CVE-2026-36771 in the wild and no public exploit code.
Sources
Also known as GHSA-r5qj-g45x-4q74.