A vulnerability classified as
critical has been found in
Siemens SIMATIC S7-1200 CPU 1211C AC, DC, Rly, SIMATIC S7-1200 CPU 1211C DC, SIMATIC S7-1200 CPU 1212C AC, SIMATIC S7-1200 CPU 1212C DC, SIMATIC S7-1200 CPU 1212FC DC, SIMATIC S7-1200 CPU 1214C AC, SIMATIC S7-1200 CPU 1214C DC, SIMATIC S7-1200 CPU 1214FC DC, SIMATIC S7-1200 CPU 1215C AC, SIMATIC S7-1200 CPU 1215C DC, SIMATIC S7-1200 CPU 1215FC DC, SIMATIC S7-1200 CPU 1217C DC, SIPLUS S7-1200 CPU 1212 AC, RLY, SIPLUS S7-1200 CPU 1212 DC, SIPLUS S7-1200 CPU 1212C DC, DC RAIL, SIPLUS S7-1200 CPU 1214 AC, SIPLUS S7-1200 CPU 1214 DC, SIPLUS S7-1200 CPU 1214C DC, SIPLUS S7-1200 CPU 1214FC DC, SIPLUS S7-1200 CPU 1215 AC, SIPLUS S7-1200 CPU 1215 DC, SIPLUS S7-1200 CPU 1215C DC and SIPLUS S7-1200 CPU 1215FC DC up to 4.6. Affected is an unknown function. The manipulation leads to improper validation of syntactic correctness of input.
This vulnerability is traded as
CVE-2025-24812. It is possible to launch the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.