Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2026-89207

ElevatedNo known exploitation

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations, limit exposure of affected systems, and watch this record for a patch.

Description

A vulnerability has been identified in WTV676-HB6035 Web Interface (All versions < V3.94), WTV776-HB6035 Web Interface (All versions < V4.17). Affected devices do not properly validate input received from backend services. This could allow an unauthenticated remote attacker to force the device into protection mode, which results in losing remote connectivity functions (Web Access).

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdate

    CVE-2026-89207 scored CVSS 6.9

    Basis: NIST National Vulnerability Database

  2. Disclosed

    Siemens WTV676 and WTV776

    Basis: CISA Cybersecurity Advisories (government advisory)

Coverage

References