Out-of-bounds Read in Codesys Control For Beaglebone Sl

CVE-2025-41739

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, poten…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (27.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-41739?
CVE-2025-41739 is a medium-severity vulnerability in Codesys Control For Beaglebone Sl, classified under Out-of-bounds Read. CVSS score: 5.9/10. Published 2025-12-01.
How severe is CVE-2025-41739?
Medium severity. CVSS v3 base score is 5.9 out of 10.