CVE-2026-51606 Denial of service in n/a
An attacker can cause the Tenda CP3 camera to drop RTSP connections by sending oversized request fields, resulting in a 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-2026-51606?
CVE-2026-51606 is a high-severity denial of service vulnerability in n/a, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper input handling vulnerability in the RTSP service of Tenda CP3 V3.0 (firmware V31.1.9.91) causes the device to abruptly terminate the TCP connection with a RST packet when a request containing an oversized field value is received, without returning any RFC 2326-compliant error response. This behavior affects the request-line URL field and header field values across multiple RTSP request types.
Weakness: CWE-20
Which versions are affected by CVE-2026-51606?
How do I fix CVE-2026-51606?
No fix has been published for CVE-2026-51606 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-51606 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-51606 exists.
Sources
Also known as GHSA-4gxm-xgrj-8mg2.