CVE-2026-36803 Memory corruption in n/a
Attackers can cause a Denial of Service on Tenda PW201A routers via a crafted HTTP request exploiting a buffer overflow.
- 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-2026-36803?
CVE-2026-36803 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 PW201A v1.0.5 was discovered to contain a buffer overflow in the page parameter of the qossetting function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
Weakness: CWE-120
Which versions are affected by CVE-2026-36803?
How do I fix CVE-2026-36803?
No fix has been published for CVE-2026-36803 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-2026-36803 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36803 exists.
Sources
Also known as GHSA-j767-rppw-5hf5.