---
id: CVE-2026-100291
title: >-
  In Anjvision YSSD‑RTMP‑H5 firmware version 3.3.2.4, several ONVIF service
  endpoints process management requests without enforcing required
  authentication
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-1188
vendor: Anjvision
product: YSSD-RTMP-H5
affected:
  - YSSD-RTMP-H5 Version 3.3.2.4 build 2024-12-26
published: '2026-09-29'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T22:17:04.057'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100291'
references:
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-05'
    label: ics-cert@hq.dhs.gov
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-29T20:57:06.505791Z'
ingestedAt: '2026-09-29T20:46:06.427Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.