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Fencer Vulns
critical 9.8

CVE-2025-41652 json

Weidmueller: Authentication Bypass Vulnerability in Industrial Ethernet Switches

published 2025-05-27 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-25507

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

The devices are vulnerable to an authentication bypass due to flaws in the authorization mechanism. An unauthenticated remote attacker could exploit this weakness by performing brute-force attacks to guess valid credentials or by using MD5 collision techniques to forge authentication hashes, potentially compromising the device.

Patch / fix

  • Weidmueller IE-SW-VL05M-5TX 3.6.32
  • Weidmueller IE-SW-VL05MT-5TX 3.6.32
  • Weidmueller IE-SW-VL08MT-8TX 3.6.32
  • Weidmueller IE-SW-VL08MT-5TX-1SC-2SCS 3.5.36
  • Weidmueller IE-SW-VL08MT-6TX-2SC 3.5.36
  • Weidmueller IE-SW-VL08MT-6TX-2ST 3.5.36
  • Weidmueller IE-SW-VL08MT-6TX-2SCS 3.5.36
  • Weidmueller IE-SW-PL10M-3GT-7TX 3.3.34
  • Weidmueller IE-SW-PL10MT-3GT-7TX 3.3.34
  • Weidmueller IE-SW-PL16M-16TX 3.4.32
  • Weidmueller IE-SW-PL16MT-16TX 3.4.32
  • Weidmueller IE-SW-PL18M-2GC-16TX 3.4.40
  • Weidmueller IE-SW-PL18MT-2GC-16TX 3.4.40

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
17 mo ago

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Weidmueller IE-SW-VL05M-5TX
  • Weidmueller IE-SW-VL05MT-5TX
  • Weidmueller IE-SW-VL08MT-8TX
  • Weidmueller IE-SW-VL08MT-5TX-1SC-2SCS
  • Weidmueller IE-SW-VL08MT-6TX-2SC
  • Weidmueller IE-SW-VL08MT-6TX-2ST
  • Weidmueller IE-SW-VL08MT-6TX-2SCS
  • Weidmueller IE-SW-PL10M-3GT-7TX
  • Weidmueller IE-SW-PL10MT-3GT-7TX
  • Weidmueller IE-SW-PL16M-16TX
  • Weidmueller IE-SW-PL16MT-16TX
  • Weidmueller IE-SW-PL18M-2GC-16TX
  • Weidmueller IE-SW-PL18MT-2GC-16TX

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.