CVE-2025-41739: codesys codesys control for beaglebone sl Out-of-bounds Read
CVSS: 5.9v3.1MediumDeferred
Published 01-12-2025Last modified 07-01-2026
Vulnerability summary
CVE-2025-41739 is a medium (CVSS 5.9) Out-of-bounds Read vulnerability in codesys codesys control for beaglebone sl. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.6% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-12-2025PublishedVulnerability first disclosed.
- 07-01-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 19-09-2026
19-09-202619-10-2026
EPSS score0.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Codesys16 products
- codesys control for beaglebone sl≥ 4.15.0.0, < 4.19.0.0
- codesys control for empc-a/imx6 sl≥ 4.15.0.0, < 4.19.0.0
- codesys control for iot2000 sl≥ 4.15.0.0, < 4.19.0.0
- codesys control for linux arm sl≥ 4.15.0.0, < 4.19.0.0
- codesys control for linux sl≥ 4.15.0.0, < 4.19.0.0
1 vendor · 16 products