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Fencer Vulns
critical 9.8

CVE-2025-41687 json

Weidmueller: Unauthenticated Stack-Based Buffer Overflow in u-link Management API

published 2025-07-23 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-22434

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

An unauthenticated remote attacker may use a stack based buffer overflow in the u-link Management API to gain full access on the affected devices.

Patch / fix

  • Weidmueller IE-SR-2TX-WL V1.49
  • Weidmueller IE-SR-2TX-WL-4G-EU V1.62
  • Weidmueller IE-SR-2TX-WL-4G-US-V V1.62

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
15 mo ago

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% 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-SR-2TX-WL
  • Weidmueller IE-SR-2TX-WL-4G-EU
  • Weidmueller IE-SR-2TX-WL-4G-US-V

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

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.