Vulnerability · Published Jul 23, 2025 · Assigned by CERTVDE

CVE-2025-41687Weidmueller: Unauthenticated Stack-Based Buffer Overflow in u-link Management API

Critical 9.8

In plain English

A critical-severity stack buffer overflow in IE-SR-2TX-WL from Weidmueller. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 43.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Weidmueller IE-SR-2TX-WL V0.0 – before V1.49
Weidmueller IE-SR-2TX-WL-4G-EU V0.0 – before V1.62
Weidmueller IE-SR-2TX-WL-4G-US-V V0.0 – before V1.62

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References