What is CVE-2026-100293?

CVE-2026-100293 is a high-severity vulnerability in Anjvision Yssd-Rtmp-H5, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2026-09-29.

How severe is CVE-2026-100293?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Anjvision Yssd-Rtmp-H5

CVE-2026-100293

In Anjvision YSSD‑RTMP‑H5 firmware version 3.3.2.4, both the local and cloud update mechanisms apply new firmware without any cryptographic verification, relying only on basic hashing. This design allows an attacker who can reach the update routine to introduce untrusted firmware images that the device will accept as valid.

Published 2026-09-29 · last modified 2026-09-29.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Anjvision Yssd-Rtmp-H5 — versions Version 3.3.2.4 build 2024-12-26

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

www.cisa.gov/news-events/ics-advisories/icsa-26-272-05 (government-resource)

Frequently asked questions

What is CVE-2026-100293?: CVE-2026-100293 is a high-severity vulnerability in Anjvision Yssd-Rtmp-H5, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2026-09-29.
How severe is CVE-2026-100293?: High severity. CVSS v3 base score is 8.8 out of 10.