CVE-2026-31256
HighSummary
A null pointer dereference vulnerability exists in the RTSP service of the MERCURY MIPC252W 1.0.5 Build 230306 Rel.79931n. During the processing of a SETUP request for the path rtsp://<IP>:554/stream1/track2, the device fails to properly validate the Transport header field, leading to a crash and automatic reboot.
Risk Assessment
Exploitation of this vulnerability may lead to service disruption, affecting the availability of the device on the network. This can be particularly problematic in environments where continuous operation is critical.
Recommendation
It is recommended to update the device firmware to the latest version that addresses this vulnerability. Additionally, monitoring RTSP traffic and implementing appropriate security measures can help minimize the risk of exploitation.
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Original NVD description (English source)
A null pointer dereference vulnerability exists in the RTSP service of the MERCURY MIPC252W 1.0.5 Build 230306 Rel.79931n. During the processing of a SETUP request for the path rtsp://<IP>:554/stream1/track2, the device fails to properly validate the Transport header field. When this header is improperly constructed, the RTSP service can dereference a NULL pointer during request parsing. Successful exploitation causes the device to crash and automatically reboot.

