Quick answers
- Is CVE-2026-123994 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-123994 being exploited in the wild.
- How severe is CVE-2026-123994?
- Medium severity, with a CVSS score of 6.3, published 6 November 2026.
- Which products and versions are affected?
- Hisense VIDAA Smart TV V0000.01.00a.P0220 and earlier.
- Is there a fix for CVE-2026-123994?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-123994 attacked?
- It is attacked from the adjacent network, in device firmware.
- Am I affected by CVE-2026-123994?
- Check whether you run Hisense VIDAA Smart TV at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The DIAL service on TCP port 56789 lacks authentication and accepts HTTP control requests (including DELETE) from unauthenticated LAN-adjacent devices. An attacker can query application states, enumerate installed apps via HTTP response codes, terminate sessions, launch applications, and bypass YouTube's Origin header validation to access viewing activity and subscription information or cause denial of service.
Affected products
- Hisense VIDAA Smart TV V0000.01.00a.P0220 and earlier
Timeline
- 2026-11-06: disclosed