---
id: CVE-2026-123994
title: Hisense VIDAA Smart TV DIAL Service Unauthenticated Access
summary: >-
  Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated
  access vulnerability in the DIAL (Discovery and Launch) service on TCP port
  56789, which accepts control requests from any LAN-adjacent device without
  authent…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cvssSource: cna
cwe:
  - CWE-306
vendor: Hisense
product: VIDAA
affected:
  - VIDAA 0000.01.00a.P0220
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T18:55:52.775Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123994'
references:
  - url: 'https://github.com/yehia-mamdouh/Hisense-Smart-TV-Security-Research'
    label: Researcher Disclosure
  - url: >-
      https://www.vulncheck.com/advisories/hisense-vidaa-smart-tv-dial-service-unauthenticated-access
    label: >-
      VulnCheck Advisory: Hisense VIDAA Smart TV DIAL Service Unauthenticated
      Access
tags:
  - cve.org
ingestedAt: '2026-11-06T19:01:36.620Z'
epss: 0.00196
epssPercentile: 0.09324
---

## Overview

Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated access vulnerability in the DIAL (Discovery and Launch) service on TCP port 56789, which accepts control requests from any LAN-adjacent device without authentication, pairing, or user notification. Attackers can query running application states, enumerate installed applications via HTTP response codes, terminate active sessions with a DELETE request, and launch applications or bypass YouTube's Origin check by spoofing the Origin header to disclose viewing activity and subscriptions or disrupt device functionality.

## Affected

- `VIDAA 0000.01.00a.P0220`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.