CVE-2025-41739CWE-125

CODESYS Control - Linux/QNX SysSocket flaw

Medium · published December 1, 2025

CVSS v3.1
5.9
EPSS
0%
Percentile
26.9
In the wild
Unconfirmed
What it is

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00346 · 26.9th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2025-12-01T10:00Z
EPSS history
Timeline
  • 01 DEC 10:00Z
    CODESYS Control - Linux/QNX SysSocket flaw
    cvelistv5