CVE-2026-4478 Yi Technology YI Home Camera HTTP Firmware Update ipc signature verification
Attackers can bypass firmware signature verification to install malicious firmware on Yi Home Cameras, potentially gaining remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4478?
CVE-2026-4478 is a critical vulnerability in YI Home Camera, published on 20 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was identified in Yi Technology YI Home Camera 2 2.1.1_20171024151200. This impacts an unknown function of the file home/web/ipc of the component HTTP Firmware Update Handler. The manipulation leads to improper verification of cryptographic signature. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is said to be difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-4478?
How do I fix CVE-2026-4478?
No fix has been published for CVE-2026-4478 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-4478 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4478 exists.
Sources
Also known as GHSA-mp64-rm5r-c35p.