CVE-2026-100291
Deferred Deferred - Pending Action

Authentication Bypass in Anjvision YSSD-RTMP-H5 Firmware

Publication date: 2026-09-29

Last updated on: 2026-09-29

Assigner: ICS-CERT

Description
In Anjvision YSSD‑RTMP‑H5 firmware version 3.3.2.4, several ONVIF service endpoints process management requests without enforcing required authentication. This could allow an unauthorized attacker to access sensitive device operations.

CVSS Scores

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Meta Information

Published
2026-09-29
Last Modified
2026-09-29
Generated
2026-09-30
AI Q&A
2026-09-29
EPSS Evaluated
N/A
NVD
CVE-2026-100291
EUVD
EUVD-2026-89366

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
anjvision yssd-rtmp-h5 3.3.2.4

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-1188 The product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in Anjvision YSSD-RTMP-H5 firmware version 3.3.2.4. Several ONVIF service endpoints do not require authentication for management requests, allowing unauthorized attackers to access sensitive device operations.

Impact Analysis

An attacker could exploit this to perform unauthorized actions on the device, such as accessing sensitive data, modifying configurations, or disrupting operations. The high CVSS scores indicate severe potential impact.

Mitigation Strategies

Immediately update the Anjvision YSSD-RTMP-H5 firmware to the latest version that addresses the authentication bypass issue. Ensure all ONVIF service endpoints enforce authentication before processing management requests.

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