CVE-2026-51601 Memory corruption in n/a
An unauthenticated remote attacker can crash the RTSP service on Tenda CP3 cameras by sending a malformed PLAY request with an overly long clock value.
- 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-2026-51601?
CVE-2026-51601 is a high-severity memory corruption 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
Tenda CP3 V3.0 firmware V31.1.9.91 contains a stack-based buffer overflow in the RTSP service. The device fails to validate the length of the clock= value in the Range header field when processing a PLAY request. An unauthenticated remote attacker who has completed a standard RTSP session handshake can send a PLAY request with an excessively long clock= value to cause the RTSP service to crash.
Weakness: CWE-121
Which versions are affected by CVE-2026-51601?
How do I fix CVE-2026-51601?
No fix has been published for CVE-2026-51601 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-2026-51601 being exploited?
There is no known exploitation of CVE-2026-51601 in the wild and no public exploit code.
Sources
Also known as GHSA-pgqw-x8wr-7q7m.