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SCALANCE MUB852-1 (A1)

Source -

CNA

CNA CVEs -

2

ADP CVEs -

0

CISA CVEs -

0

NVD CVEs -

0
Related CVEsRelated VendorsRelated AssignersReports
2Vulnerabilities found
CVE-2025-40833
Assigner-Siemens
ShareView Details
Assigner-Siemens
CVSS Score-8.7||HIGH
EPSS-Not Assigned
Published-12 May, 2026 | 08:20
Updated-12 May, 2026 | 10:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests. This could allow an attacker to cause denial of service condition. A manual restart is required to recover the system.

Action-Not Available
Vendor-Siemens AG
Product-SCALANCE X308-2LH+SCALANCE W721-1 RJ45IE/PB LINK HASCALANCE MUM853-1 (A1)SCALANCE X310FESCALANCE XF208SCALANCE W774-1 M12 EECSCALANCE X307-2 EEC (24V)SIMATIC ET 200pro IM 154-8F PN/DP CPUSCALANCE X307-2 EEC (230V, coated)SCALANCE XR324-12M (24V, ports on rear)SINAMICS G120XSCALANCE XR324-12M TS (24V)SITOP PSU8600 3AC 40 A PNSIMIT UNIT V11SCALANCE XR526-8C, 2x230V (L3 int.)SCALANCE MUM856-1 (CN)SCALANCE MUM853-1 (EU)SCALANCE W1788-1 M12SCALANCE SC636-2CSCALANCE X307-2 EEC (2x 24V, coated)SINAMICS G120DSIMATIC ET 200pro IM 154-8FX PN/DP CPUSCALANCE X308-2 RD (inkl. SIPLUS variants)SIPLUS S7-300 CPU 315-2 PN/DPSCALANCE X212-2LDSCALANCE WAM763-1SITOP UPS1600 10 A Ethernet/ PROFINETSCALANCE S615 LAN-RouterSITOP UPS1600 EX 20 A Ethernet PROFINETSIPLUS S7-300 CPU 317F-2 PN/DPSCALANCE XR526-8C, 2x230VSCALANCE XF206-1SINAMICS G130SCALANCE X310SCALANCE W774-1 RJ45 (USA)SCALANCE X308-2M PoESIMATIC ET 200SP CPU 1512SP F-1 PNSCALANCE X307-2 EEC (2x 24V)SCALANCE WAM763-1 (ME)SCALANCE MUB852-1 (B1)SCALANCE MUM853-1 (B1)SCALANCE W748-1 M12SIMATIC S7-1500 CPU 1513-1 PNSIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)SCALANCE X302-7 EEC (2x 230V)SIMATIC ET 200S IM 151-8F PN/DP CPUSCALANCE WAB762-1SCALANCE WUM766-1 (USA)SCALANCE WUB762-1 iFeaturesSCALANCE W774-1 RJ45SCALANCE X302-7 EEC (230V)SCALANCE X408-2SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants)SCALANCE W786-2IA RJ45SCALANCE W786-2 SFPSCALANCE SC632-2CSCALANCE XR524-8C, 24V (L3 int.)SCALANCE MUM856-1 (EU)SINUMERIK 840D slSCALANCE XR524-8C, 2x230V (L3 int.)SCALANCE XR324-4M PoE TS (24V, ports on front)SCALANCE X308-2MSINAMICS G120 (incl. SIPLUS variants)SIPLUS S7-400 CPU 416-3 PN/DP V7SCALANCE XR324-4M PoE (230V, ports on front)SCALANCE WUM763-1 (US)SCALANCE W734-1 RJ45SCALANCE XM408-8C (L3 int.)SITOP PSU8600 3AC 40 A/4x10 A PNSCALANCE M876-3SCALANCE M812-1 ADSL-RouterSCALANCE MUM856-1 (A1)SCALANCE WUM766-1SCALANCE XR324-4M EEC (2x 24V, ports on front)SCALANCE M876-4 (NAM)SCALANCE X302-7 EEC (24V, coated)SCALANCE X307-2 EEC (24V, coated)SINAMICS G150SIMATIC S7-300 CPU 319F-3 PN/DPSCALANCE X304-2FESIMATIC S7-300 CPU 314C-2 PN/DPSIMATIC S7-1500 CPU 1511F-1 PNSIPLUS S7-300 CPU 317-2 PN/DPSIMATIC S7-1500 CPU 1515F-2 PNSCALANCE SC622-2CSITOP PSU8600 3AC 20 A/4x5 A PNSCALANCE MUM856-1 (RoW)SIMATIC ET 200SP HA IM155-6 PNSCALANCE XR324-4M EEC (24V, ports on rear)IE/PB link PN IOSCALANCE WAM766-1 (ME)SCALANCE X302-7 EEC (2x 24V, coated)SCALANCE W788-1 RJ45SCALANCE WAM766-1 (US)SCALANCE X307-3LDSCALANCE M874-3 3G-Router (CN)SIPLUS NET IE/PB link PN IOSIMATIC S7-1500 CPU 1516-3 PN/DPSCALANCE WAM766-1 EECSCALANCE W761-1 RJ45SCALANCE W788-1 M12SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)SCALANCE X204-2LD TSSCALANCE SC642-2CSCALANCE X320-1-2LD FESCALANCE X308-2LDSCALANCE X302-7 EEC (230V, coated)SCALANCE M874-2SCALANCE X208PROSCALANCE XR324-4M PoE (230V, ports on rear)SIMATIC S7-300 CPU 317T-3 PN/DPSCALANCE X307-3SCALANCE W722-1 RJ45SCALANCE XR324-12M (230V, ports on rear)SCALANCE X216SCALANCE SC646-2CSCALANCE X320-1 FESCALANCE XR552-12M (2HR2)SCALANCE XR552-12M (2HR2, L3 int.)SIMATIC S7-300 CPU 315T-3 PN/DPSCALANCE XM408-8CSCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on front)SIMATIC S7-400 CPU 412-2 PN V7SCALANCE XR524-8C, 1x230V (L3 int.)SCALANCE W786-2 RJ45SCALANCE XM408-4C (L3 int.)SIMATIC S7-300 CPU 315F-2 PN/DPSCALANCE XR528-6M (2HR2)SCALANCE W1788-2IA M12SIPLUS ET 200S IM 151-8 PN/DP CPUSCALANCE M874-3SCALANCE XM416-4C (L3 int.)SCALANCE M804PBSITOP PSU8600 3AC 40 A/4x10A EIPSIMATIC CFU PASCALANCE XR324-4M PoE (24V, ports on rear)SIMATIC S7-300 CPU 317TF-3 PN/DPSCALANCE W786-1 RJ45SCALANCE XR526-8C, 24VSCALANCE WAM766-1SITOP UPS1600 20 A Ethernet/ PROFINETSIMATIC S7-400 CPU 416F-3 PN/DP V7SCALANCE M816-1 ADSL-RouterSCALANCE X208SCALANCE W1788-2 EEC M12SITOP UPS1600 40 A Ethernet/ PROFINETSCALANCE S615 EEC LAN-RouterSCALANCE W748-1 RJ45SCALANCE WUM763-1SCALANCE X307-2 EEC (2x 230V, coated)SCALANCE XR526-8C, 24V (L3 int.)SINAMICS S110SCALANCE M876-4 (EU)SCALANCE XR324-12M (230V, ports on front)SIMATIC ET 200S IM 151-8 PN/DP CPUSCALANCE X306-1LD FESIMATIC S7-1500 CPU 1511-1 PNSINAMICS G120CSIMIT UNIT V10SIMATIC S7-300 CPU 317F-2 PN/DPSCALANCE XR528-6MRUGGEDCOM RM1224 LTE(4G) EUSCALANCE WAM766-1 EEC (ME)SCALANCE X224SCALANCE X308-2M TSSCALANCE XR524-8C, 24VSIMATIC S7-300 CPU 319-3 PN/DPSCALANCE XR552-12MSIMATIC ET 200pro IM 154-8 PN/DP CPUSCALANCE X308-2LHSCALANCE X308-2SIMATIC ET 200SP CPU 1510SP-1 PNSCALANCE XR524-8C, 1x230VSIPLUS S7-300 CPU 315F-2 PN/DPSCALANCE M876-4SCALANCE W778-1 M12 EEC (USA)SCALANCE X204-2LDSCALANCE X302-7 EEC (2x 230V, coated)SCALANCE XM416-4CSIPLUS ET 200S IM 151-8F PN/DP CPUSIMATIC S7-300 CPU 315-2 PN/DPSIMATIC S7-400 CPU 414F-3 PN/DP V7SCALANCE XR528-6M (L3 int.)SCALANCE XR324-12M (24V, ports on front)SCALANCE XR324-4M EEC (24V, ports on front)SIMATIC S7-400 CPU 414-3 PN/DP V7SCALANCE W1748-1 M12SCALANCE W788-2 M12SCALANCE WUM766-1 (ME)SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on rear)SIMATIC S7-400 CPU 416-3 PN/DP V7SCALANCE WUB762-1SCALANCE X206-1SCALANCE XF204SINAMICS CBE20SIMATIC S7-300 CPU 317-2 PN/DPSIPLUS S7-300 CPU 314C-2 PN/DPSCALANCE W788-2 M12 EECSIMATIC S7-1500 CPU 1516F-3 PN/DPSIPLUS S7-400 CPU 414-3 PN/DP V7RUGGEDCOM RM1224 LTE(4G) NAMSCALANCE X204-2FMSCALANCE W738-1 M12SCALANCE W734-1 RJ45 (USA)SCALANCE X302-7 EEC (2x 24V)SCALANCE XR528-6M (2HR2, L3 int.)SCALANCE WAM766-1 EEC (US)SCALANCE M876-3 (ROK)SCALANCE M826-2 SHDSL-RouterSCALANCE WAM763-1 (US)SINAMICS S120 (incl. SIPLUS variants)SCALANCE MUM856-1 (B1)SITOP PSU8600 1AC 20 A/4x5 A PNSCALANCE W788-2 RJ45SCALANCE X307-2 EEC (230V)SCALANCE SC626-2CSCALANCE X212-2SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on front)SINAMICS S150SCALANCE XM408-4CSITOP PSU8600 3AC 20 A PNSCALANCE XR526-8C, 1x230V (L3 int.)SCALANCE X307-2 EEC (2x 230V)SCALANCE W778-1 M12SCALANCE W778-1 M12 EECSCALANCE X204-2TSSCALANCE XR324-4M EEC (2x 24V, ports on rear)SIMATIC ET 200SP CPU 1510SP F-1 PNSCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on rear)SCALANCE MUB852-1 (A1)SCALANCE XR324-4M PoE (24V, ports on front)SINAMICS G115DSCALANCE X206-1LDSIMATIC S7-1500 CPU 1515-2 PNSCALANCE XR524-8C, 2x230VSCALANCE XR526-8C, 1x230VSIMATIC CFU DIQSCALANCE X302-7 EEC (24V)SCALANCE W1788-2 M12SCALANCE X204-2SINAMICS G120XASCALANCE XF204-2SIMATIC ET 200SP CPU 1512SP-1 PN
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-23384
Assigner-Siemens
ShareView Details
Assigner-Siemens
CVSS Score-6.3||MEDIUM
EPSS-0.11% / 29.69%
||
7 Day CHG~0.00%
Published-11 Mar, 2025 | 09:48
Updated-12 May, 2026 | 10:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.2.1), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.2.1), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V8.2.1), SCALANCE M812-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M816-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V8.2.1), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2) (All versions < V8.2.1), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V8.2.1), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V8.2.1), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V8.2.1), SCALANCE MUB852-1 (A1) (6GK5852-1EA10-1AA1) (All versions < V8.2.1), SCALANCE MUB852-1 (B1) (6GK5852-1EA10-1BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1) (All versions < V8.2.1), SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1) (All versions < V8.2.1), SCALANCE MUM856-1 (B1) (6GK5856-2EA10-3BA1) (All versions < V8.2.1), SCALANCE MUM856-1 (CN) (6GK5856-2EA00-3FA1) (All versions < V8.2.1), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V8.2.1), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V8.2.1), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V8.2.1), SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions < V3.2), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions < V3.2), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions < V3.2), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions < V3.2), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions < V3.2), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions < V3.2). Affected devices improperly validate usernames during OpenVPN authentication. This could allow an attacker to get partial invalid usernames accepted by the server.

Action-Not Available
Vendor-Siemens AG
Product-SCALANCE MUM853-1 (A1)SCALANCE SC632-2CSCALANCE M812-1 ADSL-Router familySCALANCE MUM856-1 (EU)SCALANCE M874-3SCALANCE MUM856-1 (CN)SCALANCE M804PBSCALANCE MUM853-1 (EU)SCALANCE SC636-2CRUGGEDCOM RM1224 LTE(4G) NAMSCALANCE M876-3SCALANCE MUM856-1 (A1)SCALANCE M876-4 (NAM)SCALANCE M876-3 (ROK)SCALANCE M826-2 SHDSL-RouterSCALANCE M816-1 ADSL-Router familySCALANCE S615 LAN-RouterSCALANCE MUM856-1 (B1)SCALANCE S615 EEC LAN-RouterSCALANCE M876-4 (EU)SCALANCE SC626-2CSCALANCE SC622-2CSCALANCE MUM856-1 (RoW)RUGGEDCOM RM1224 LTE(4G) EUSCALANCE M874-3 3G-Router (CN)SCALANCE MUB852-1 (A1)SCALANCE M876-4SCALANCE MUB852-1 (B1)SCALANCE SC642-2CSCALANCE MUM853-1 (B1)SCALANCE M874-2SCALANCE SC646-2C
CWE ID-CWE-187
Partial String Comparison