CVE-2026-79625: Codesys Control For Beaglebone Sl

High severity, CVSS 8.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.

Affected products

Codesys Control For Beaglebone Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For Empc-a/imx6 Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For IOT2000 Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For Linux Arm Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For Linux Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For PFC100 Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For PFC200 Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For Plcnext Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For Raspberry Pi Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control For Wago Touch Panels 600 Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)
Codesys Control Rte For Beckhoff Cx Sl: from 3.0.0.0, before 3.5.22.40 (fixed in 3.5.22.40)
Codesys Control Rte Sl: from 3.0.0.0, before 3.5.22.40 (fixed in 3.5.22.40)
Codesys Control Win Sl: from 3.0.0.0, before 3.5.22.40 (fixed in 3.5.22.40)
Codesys Development System 3: from 3.0.0.0, before 3.5.22.40 (fixed in 3.5.22.40)
Codesys HMI Sl: from 3.0.0.0, before 3.5.22.40 (fixed in 3.5.22.40)
Codesys Runtime Toolkit: from 3.0.0.0, before 3.5.22.40 (fixed in 3.5.22.40)
Codesys Safety SIL2: from 3.0.0.0, before 3.5.22.40 (fixed in 3.5.22.40)
Codesys Virtual Control Sl: from 3.5.0.0, before 4.23.0.0 (fixed in 4.23.0.0)

Published 2026-09-30. Last modified 2026-09-30.