CVE-2026-36800 Memory corruption in n/a

High 7.5 Published Updated

Attackers can cause a Denial of Service on Tenda G0 routers by sending 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-2026-36800?

CVE-2026-36800 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 G0 v15.11.0.5 was discovered to contain a buffer overflow in the IPMacBindIndex parameter of the formIPMacBindDel 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-2026-36800?

How do I fix CVE-2026-36800?

No fix has been published for CVE-2026-36800 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-2026-36800 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36800 exists.

Sources

Also known as GHSA-qhgp-2v38-m829.

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