CVE-2026-123996 Hisense VIDAA Smart TV UPnP/DLNA Missing Authentication
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-123996?
CVE-2026-123996 is a medium-severity vulnerability in Hisense VIDAA, published on 6 Nov 2026.
Official description
Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains a missing authentication vulnerability in the UPnP/DLNA RenderingControl service on TCP port 38400 that allows a LAN-adjacent attacker to issue SetVolume, SetMute, and SelectPreset(FactoryDefaults) commands after a one-time DLNA pairing with no per-command authentication or session token. Attackers can send a continuous loop of unauthenticated commands to override the physical remote, change volume and mute, and reset all picture and audio calibration settings.
Weakness: CWE-306
Which versions are affected by CVE-2026-123996?
How do I fix CVE-2026-123996?
No fix has been published for CVE-2026-123996 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-123996 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-123996 exists.
Sources
Also known as GHSA-8qh4-38v4-7w3v.