Riskcovery

CVE-2025-41691

CODESYS Control DoS via Unauthenticated NULL Pointer Dereference

State
Published
Severity
7.5 High
Published
Aug 4, 2025
Updated
Aug 4, 2025
Reserved
Apr 16, 2025

Read the record on cve.org

Description

An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCERTVDE

Weaknesses

Affected Products

ProductVersions
Control RTE (SL)CODESYS
  • 3.5.21.10 to before 3.5.21.20Affected
Control RTE (for Beckhoff CX) SLCODESYS
  • 3.5.21.10 to before 3.5.21.20Affected
Control Win (SL)CODESYS
  • 3.5.21.10 to before 3.5.21.20Affected
HMI (SL)CODESYS
  • 3.5.21.10 to before 3.5.21.20Affected
Control for BeagleBone SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for emPC-A/iMX6 SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for IOT2000 SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for Linux ARM SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for Linux SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for PFC100 SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for PFC200 SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for PLCnext SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for Raspberry Pi SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Control for WAGO Touch Panels 600 SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected
Virtual Control SLCODESYS
  • 4.16.0.0 to before 4.17.0.0Affected

References

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