Quick answers
- Is CVE-2026-100299 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-100299 being exploited in the wild.
- How severe is CVE-2026-100299?
- Medium severity, with a CVSS score of 6.8, published 29 September 2026.
- Which products and versions are affected?
- Anjvision YSSD-RTMP-H5 3.3.2.4_build_2024-12-26.
- Is there a fix for CVE-2026-100299?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-100299 attacked?
- It is attacked with physical access, in a network appliance.
- Am I affected by CVE-2026-100299?
- Check whether you run Anjvision YSSD-RTMP-H5 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
CVE-2026-100299 involves insufficient credential protection on the serial console interface due to reliance on weak DES-based encryption for password hashing. An attacker with physical access to the serial port can extract and cryptographically break the hash to recover plaintext credentials. No fix has been released by Anjvision.
Affected products
- Anjvision YSSD-RTMP-H5 3.3.2.4_build_2024-12-26
Timeline
- 2026-09-29: disclosed: CISA ICS Advisory ICSA-26-272-05 published