CVE-2025-27458 describes a weakness in the VNC authentication mechanism used by Endress Meac300 FNADE4 devices. An attacker can intercept unencrypted VNC challenge-response communications to derive the password, as the VNC communication itself is unencrypted. This vulnerability is rated High severity (CVSS 7.5) due to its network-based attack vector, low complexity, and high impact on confidentiality, allowing unauthorized access without user interaction. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:endress:meac300-fnade4_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.