CVE-2025-41652CWE-328

Weidmueller: Authentication Bypass Vulnerability in Industrial Ethernet Switches

Critical · published May 27, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
39.7
In the wild
Unconfirmed
What it is

🚨 An authentication bypass flaw means attackers can sneak in without a key! Imagine someone showing up at your house claiming to be a friend and getting in without even knocking! 🔥 Think of this like a restaurant where the host doesn’t check reservations. Anyone can waltz in and commandeer a table, potentially ruining the experience for everyone else! If exploited, an attacker could compromise the device and gain unauthorized access, leading to potential data theft or manipulation. This could be absolutely devastating for users managing sensitive information or critical infrastructure.

Put simply

Think of this like a restaurant where the host doesn’t check reservations. Anyone can waltz in and commandeer a table, potentially ruining the experience for everyone else! The vulnerability stems from a failure in the authorization mechanism, allowing unauthenticated remote attackers to perform brute-force attacks or use MD5 collision techniques to forge authentication hashes.

What to do

If exploited, an attacker could compromise the device and gain unauthorized access, leading to potential data theft or manipulation. This could be absolutely devastating for users managing sensitive information or critical infrastructure. Immediately patch the devices to the latest firmware version that addresses CVE-2025-41652. Additionally, implement strong, unique passwords and enable account lockout policies to mitigate brute-force attempts. You've got this! Follow these steps, and you'll shore up your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00471 · 39.7th percentile
Weakness
CWE-328 · Use of Weak Hash
Published
2025-05-27T08:38Z
EPSS history
Timeline
  • 27 MAY 08:38Z
    Weidmueller: Authentication Bypass Vulnerability in Industrial Ethernet Switches
    cvelistv5