CVE-2025-55972 Denial of service in n/a
Remote attackers can cause a TCL Smart TV to become unresponsive by flooding its UPnP endpoint with malformed SOAP requests, requiring the attack to stop for recovery.
- 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-2025-55972?
CVE-2025-55972 is a high-severity denial of service vulnerability in n/a, published on 3 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A TCL Smart TV running a vulnerable UPnP/DLNA MediaRenderer implementation is affected by a remote, unauthenticated Denial of Service (DoS) condition. By sending a flood of malformed or oversized SetAVTransportURI SOAP requests to the UPnP control endpoint, an attacker can cause the device to become unresponsive. This denial persists as long as the attack continues and affects all forms of TV operation. Manual user control and even reboots do not restore functionality unless the flood stops.
Weakness: CWE-400
Which versions are affected by CVE-2025-55972?
It affects 1 product.
Products include Tcl 65c655 Firmware.
How do I fix CVE-2025-55972?
No fix has been published for CVE-2025-55972 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-2025-55972 being exploited?
There is no known exploitation of CVE-2025-55972 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-88mp-pm8g-wwcf.