CVE-2025-6531: SIFUSM/MZZYG BD S1 RTSP Live Video Stream Endpoint access control

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-24 · updated 2026-06-17
Weakness: CWE-266

Description

A vulnerability was found in SIFUSM/MZZYG BD S1 up to 20250611. It has been declared as problematic. This vulnerability affects unknown code of the component RTSP Live Video Stream Endpoint. The manipulation leads to improper access controls. Access to the local network is required for this attack to succeed. The exploit has been disclosed to the public and may be used. This dashcam is distributed by multiple resellers and different names.

Affected products

MZZYG BD S1: 20250611
SIFUSM BD S1: 20250611

References

https://github.com/geo-chen/BD
https://github.com/geo-chen/BD?tab=readme-ov-file#finding-1-unauthenticated-access-of-livestream-and-download-of-video-recordings
https://vuldb.com/?ctiid.313648
https://vuldb.com/?id.313648
https://vuldb.com/?submit.595452
https://github.com/geo-chen/BD

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