CVE-2026-89207CWE-1287

CVE-2026-89207

Medium · published September 16, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
36.6
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00433 · 36.6th percentile
Weakness
CWE-1287 · Improper Validation of Specified Type of Input
Published
2026-09-16T12:16Z
References (1)
https://cert-portal.siemens.com/productcert/html/ssa-823812.html · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 16 SEP 07:59Z
    A vulnerability has been identified in WTV676-HB6035 Web Interface (All versions < V3.94), WTV776-HB6035 Web Interface (All versions < V4.17)
    cvelistv5