CVE-2026-123996
Hisense VIDAA Smart TV UPnP/DLNA Missing Authentication
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| VIDAA Hisense |
0000.01.00a.P0220 (affected, custom)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 4.8 medium |
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 4.6 medium |
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L | CNA: VulnCheck |
Exploit evidence
- https://github.com/yehia-mamdouh/Hisense-Smart-TV-Security-Research
exploit · CNA: VulnCheck
References
- https://github.com/yehia-mamdouh/Hisense-Smart-TV-Security-ResearchCNA: VulnCheck · technical-description, exploit
- https://www.vulncheck.com/advisories/hisense-vidaa-smart-tv-upnp-dlna-missing-authenticationCNA: VulnCheck · third-party-advisory
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