A vulnerability has been identified in SCALANCE X200-4P IRT SCALANCE X201-3P IRT SCALANCE X201-3P IRT PRO SCALANCE X202-2IRT SCALANCE X202-2P IRT SCALANCE X202-2P IRT PRO SCALANCE X204-2 SCALANCE X204-2FM SCALANCE X204-2LD SCALANCE X204-2LD TS SCALANCE X204-2TS SCALANCE X204IRT SCALANCE X204IRT PRO SCALANCE X206-1 SCALANCE X206-1LD SCALANCE X208 SCALANCE X208PRO SCALANCE X212-2 SCALANCE X212-2LD SCALANCE X216 SCALANCE X224 SCALANCE X302-7 EEC (230V) SCALANCE X302-7 EEC (230V coated) SCALANCE X302-7 EEC (24V) SCALANCE X302-7 EEC (24V coated) SCALANCE X302-7 EEC (2x 230V) SCALANCE X302-7 EEC (2x 230V coated) SCALANCE X302-7 EEC (2x 24V) SCALANCE X302-7 EEC (2x 24V coated) SCALANCE X304-2FE SCALANCE X306-1LD FE SCALANCE X307-2 EEC (230V) SCALANCE X307-2 EEC (230V coated) SCALANCE X307-2 EEC (24V) SCALANCE X307-2 EEC (24V coated) SCALANCE X307-2 EEC (2x 230V) SCALANCE X307-2 EEC (2x 230V coated) SCALANCE X307-2 EEC (2x 24V) SCALANCE X307-2 EEC (2x 24V coated) SCALANCE X307-3 SCALANCE X307-3 SCALANCE X307-3LD SCALANCE X307-3LD SCALANCE X308-2 SCALANCE X308-2 SCALANCE X308-2LD SCALANCE X308-2LD SCALANCE X308-2LH SCALANCE X308-2LH SCALANCE X308-2LH+ SCALANCE X308-2LH+ SCALANCE X308-2M SCALANCE X308-2M SCALANCE X308-2M PoE SCALANCE X308-2M PoE SCALANCE X308-2M TS SCALANCE X308-2M TS SCALANCE X310 SCALANCE X310 SCALANCE X310FE SCALANCE X310FE SCALANCE X320-1 FE SCALANCE X320-1-2LD FE SCALANCE X408-2 SCALANCE XF201-3P IRT SCALANCE XF202-2P IRT SCALANCE XF204 SCALANCE XF204-2 SCALANCE XF204-2BA IRT SCALANCE XF204IRT SCALANCE XF206-1 SCALANCE XF208 SCALANCE XR324-12M (230V ports on front) SCALANCE XR324-12M (230V ports on front) SCALANCE XR324-12M (230V ports on rear) SCALANCE XR324-12M (230V ports on rear) SCALANCE XR324-12M (24V ports on front) SCALANCE XR324-12M (24V ports on front) SCALANCE XR324-12M (24V ports on rear) SCALANCE XR324-12M (24V ports on rear) SCALANCE XR324-12M TS (24V) SCALANCE XR324-12M TS (24V) SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on front) SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on front) SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on rear) SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on rear) SCALANCE XR324-4M EEC (24V ports on front) SCALANCE XR324-4M EEC (24V ports on front) SCALANCE XR324-4M EEC (24V ports on rear) SCALANCE XR324-4M EEC (24V ports on rear) SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on front) SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on front) SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on rear) SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on rear) SCALANCE XR324-4M EEC (2x 24V ports on front) SCALANCE XR324-4M EEC (2x 24V ports on front) SCALANCE XR324-4M EEC (2x 24V ports on rear) SCALANCE XR324-4M EEC (2x 24V ports on rear) SCALANCE XR324-4M PoE (230V ports on front) SCALANCE XR324-4M PoE (230V ports on rear) SCALANCE XR324-4M PoE (24V ports on front) SCALANCE XR324-4M PoE (24V ports on rear) SCALANCE XR324-4M PoE TS (24V ports on front) SIMATIC CP 442-1 RNA SIMATIC CP 443-1 SIMATIC CP 443-1 Advanced SIMATIC CP 443-1 RNA SIMATIC RF180C SIMATIC RF182C SIPLUS NET CP 443-1 SIPLUS NET CP 443-1 Advanced SIPLUS NET SCALANCE X308-2. The VxWorks-based Profinet TCP Stack can be forced to make very expensive calls for every incoming packet which can lead to a denial of service.