Skip to content
CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-8047

Out-of-bounds Write in CODESYS Control

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
CERTVDE

Description

The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

CODESYS CODESYS Control RTE (SL)

Default version status: unaffected

  • 3.5.21.0 to < 3.5.22.20affected

CODESYS CODESYS Control RTE (for Beckhoff CX) SL

Default version status: unaffected

  • 3.5.21.0 to < 3.5.22.20affected

CODESYS CODESYS Control Win (SL)

Default version status: unaffected

  • 3.5.21.0 to < 3.5.22.20affected

CODESYS CODESYS HMI (SL)

Default version status: unaffected

  • 3.5.21.0 to < 3.5.22.20affected

CODESYS CODESYS Runtime Toolkit

Default version status: unaffected

  • 3.5.21.0 to < 3.5.22.20affected

CODESYS CODESYS Control for BeagleBone SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for emPC-A/iMX6 SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for IOT2000 SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for Linux ARM SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for Linux SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for PFC100 SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for PFC200 SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for PLCnext SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for Raspberry Pi SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

CODESYS CODESYS Control for WAGO Touch Panels 600 SL

Default version status: unaffected

  • 0.0.0 to < 4.21.0.0affected

CODESYS CODESYS Virtual Control SL

Default version status: unaffected

  • 4.15.0.0 to < 4.21.0.0affected

References