P5Verified

CVE-2025-9495: Vitogate 300 1 to before 3.0.0.0

CVE-2025-9495. EPSS 0.00241 (percentile 0.14019), scored 10-Oct-2026.

Affected technology

Vitogate 300 · 1 to before 3.0.0.0
Viessmann

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Adjacent network · No privileges required · No user interaction required

What an attacker can do

An attacker can simply modify HTML elements in the browser’s developer tools to bypass login restrictions. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality, integrity and availability impact as high.

Published 11-Oct-2026 23:39 UTC

CWE: CWE-602
CCR priority: 0.1 /100 (P5)
EPSS: 0.00241 · percentile 0.1402 · 2026-10-11
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-11 23:42:05.235979+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-11 23:39:08.456424+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-9495.html