Description
CWE-20: Improper Input Validation vulnerability exists that could cause Denial of Service when an
authenticated malicious user sends special malformed HTTPS request containing improper formatted body
data to the controller.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Schneider Electric | Modicon Controllers M241/M251 | Versions prior to 5.3.12.51 | — |
| Schneider Electric | Modicon Controllers M258 / LMC058 | All Versions | — |
Advisories 2
- ICSA-25-175-03 Schneider Electric Modicon Controllers (Update A) CISA ICS & IT advisories · Jul 8, 2025
- SEVD-2025-161-02 Modicon Controllers M241/M251/M258/LMC058/M262 Schneider Electric CPCERT · Jul 8, 2025