CVE-2026-100291: Anjvision YSSD-RTMP-H5 · Insecure Default
Affects Anjvision YSSD-RTMP-H5Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 12 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AnjvisionYSSD-RTMP-H5 | Affected
| Fixed in– |
AI-suggested
Until a patch is available, restrict network access to the affected device's ONVIF service endpoints to trusted networks only.
Description
Anjvision YSSD-RTMP-H5 firmware version 3.3.2.4 contains a critical vulnerability where several ONVIF service endpoints do not enforce required authentication. This allows unauthorized attackers to access sensitive device management operations. The vulnerability is identified as CWE-1188, involving insecure default initialization of resources. The CVSS score is 9.8, indicating a critical severity with network attack vector, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.