Authentication Bypass Vulnerability in Anjvision YSSD-RTMP-H5 Firmware
CVE-2026-100291

9.3CRITICAL

Key Information:

Vendor

Anjvision

Status
Yssd-rtmp-h5
Vendor
CVE Published:
29 September 2026

What is CVE-2026-100291?

In Anjvision YSSD‑RTMP‑H5 firmware version 3.3.2.4, several ONVIF service endpoints are vulnerable due to improper authentication handling. This flaw allows unauthorized attackers to send management requests without the necessary authentication, potentially granting access to sensitive device operations and configurations.

Affected Version(s)

YSSD-RTMP-H5 Version 3.3.2.4 build 2024-12-26

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-2...
government-resource

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Andrew Lee reported these vulnerabilities to CISA.
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