CVE-2026-100293 Improper verification of cryptographic signature in Anjvision YSSD-RTMP-H5
Attackers can install malicious firmware on Anjvision YSSD-RTMP-H5 devices because update mechanisms lack cryptographic signature verification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100293?
CVE-2026-100293 is a high-severity vulnerability in Anjvision YSSD-RTMP-H5, published on 29 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-347
Which versions are affected by CVE-2026-100293?
How do I fix CVE-2026-100293?
No fix has been published for CVE-2026-100293 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-100293 being exploited?
There is no known exploitation of CVE-2026-100293 in the wild and no public exploit code.
Sources
Also known as GHSA-5v8p-59fw-m8g2.