{"id":53281,"date":"2026-05-12T04:58:15","date_gmt":"2026-05-12T04:58:15","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=53281"},"modified":"2026-05-12T04:58:15","modified_gmt":"2026-05-12T04:58:15","slug":"cve-2025-40833","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=53281","title":{"rendered":"CVE-2025-40833_CVE-2025-40833"},"content":{"rendered":"

{“lastseen”:””,”description”:”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.”,”published”:”2026-05-12T08:20:46.879Z”,”modified”:”2026-05-12T08:20:46.879Z”,”type”:”cve”,”title”:”CVE-2025-40833″,”source”:”siemens”,”references”:”https:\/\/cert-portal.siemens.com\/productcert\/html\/ssa-392349.html”,”id”:”CVE-2025-40833″,”bulletinFamily”:””,”cwe”:[“CWE-476″],”cvelist”:null,”sourceData”:”Siemens IE\/PB LINK HA 0\\nSiemens IE\/PB link PN IO 0\\nSiemens RUGGEDCOM RM1224 LTE(4G) EU 0\\nSiemens RUGGEDCOM RM1224 LTE(4G) NAM 0\\nSiemens SCALANCE M804PB 0\\nSiemens SCALANCE M812-1 ADSL-Router 0\\nSiemens SCALANCE M812-1 ADSL-Router 0\\nSiemens SCALANCE M816-1 ADSL-Router 0\\nSiemens SCALANCE M816-1 ADSL-Router 0\\nSiemens SCALANCE M826-2 SHDSL-Router 0\\nSiemens SCALANCE M874-2 0\\nSiemens SCALANCE M874-3 0\\nSiemens SCALANCE M874-3 3G-Router (CN) 0\\nSiemens SCALANCE M876-3 0\\nSiemens SCALANCE M876-3 (ROK) 0\\nSiemens SCALANCE M876-4 0\\nSiemens SCALANCE M876-4 (EU) 0\\nSiemens SCALANCE M876-4 (NAM) 0\\nSiemens SCALANCE MUB852-1 (A1) 0\\nSiemens SCALANCE MUB852-1 (B1) 0\\nSiemens SCALANCE MUM853-1 (A1) 0\\nSiemens SCALANCE MUM853-1 (B1) 0\\nSiemens SCALANCE MUM853-1 (EU) 0\\nSiemens SCALANCE MUM856-1 (A1) 0\\nSiemens SCALANCE MUM856-1 (B1) 0\\nSiemens SCALANCE MUM856-1 (CN) 0\\nSiemens SCALANCE MUM856-1 (EU) 0\\nSiemens SCALANCE MUM856-1 (RoW) 0\\nSiemens SCALANCE S615 EEC LAN-Router 0\\nSiemens SCALANCE S615 LAN-Router 0\\nSiemens SCALANCE SC622-2C 0\\nSiemens SCALANCE SC626-2C 0\\nSiemens SCALANCE SC632-2C 0\\nSiemens SCALANCE SC636-2C 0\\nSiemens SCALANCE SC642-2C 0\\nSiemens SCALANCE SC646-2C 0\\nSiemens SCALANCE W1748-1 M12 0\\nSiemens SCALANCE W1748-1 M12 0\\nSiemens SCALANCE W1788-1 M12 0\\nSiemens SCALANCE W1788-2 EEC M12 0\\nSiemens SCALANCE W1788-2 M12 0\\nSiemens SCALANCE W1788-2IA M12 0\\nSiemens SCALANCE W721-1 RJ45 0\\nSiemens SCALANCE W721-1 RJ45 0\\nSiemens SCALANCE W722-1 RJ45 0\\nSiemens SCALANCE W722-1 RJ45 0\\nSiemens SCALANCE W722-1 RJ45 0\\nSiemens SCALANCE W734-1 RJ45 0\\nSiemens SCALANCE W734-1 RJ45 0\\nSiemens SCALANCE W734-1 RJ45 0\\nSiemens SCALANCE W734-1 RJ45 (USA) 0\\nSiemens SCALANCE W738-1 M12 0\\nSiemens SCALANCE W738-1 M12 0\\nSiemens SCALANCE W748-1 M12 0\\nSiemens SCALANCE W748-1 M12 0\\nSiemens SCALANCE W748-1 RJ45 0\\nSiemens SCALANCE W748-1 RJ45 0\\nSiemens SCALANCE W761-1 RJ45 0\\nSiemens SCALANCE W761-1 RJ45 0\\nSiemens SCALANCE W774-1 M12 EEC 0\\nSiemens SCALANCE W774-1 M12 EEC 0\\nSiemens SCALANCE W774-1 RJ45 0\\nSiemens SCALANCE W774-1 RJ45 0\\nSiemens SCALANCE W774-1 RJ45 0\\nSiemens SCALANCE W774-1 RJ45 0\\nSiemens SCALANCE W774-1 RJ45 (USA) 0\\nSiemens SCALANCE W778-1 M12 0\\nSiemens SCALANCE W778-1 M12 0\\nSiemens SCALANCE W778-1 M12 EEC 0\\nSiemens SCALANCE W778-1 M12 EEC (USA) 0\\nSiemens SCALANCE W786-1 RJ45 0\\nSiemens SCALANCE W786-1 RJ45 0\\nSiemens SCALANCE W786-2 RJ45 0\\nSiemens SCALANCE W786-2 RJ45 0\\nSiemens SCALANCE W786-2 RJ45 0\\nSiemens SCALANCE W786-2 SFP 0\\nSiemens SCALANCE W786-2 SFP 0\\nSiemens SCALANCE W786-2IA RJ45 0\\nSiemens SCALANCE W786-2IA RJ45 0\\nSiemens SCALANCE W788-1 M12 0\\nSiemens SCALANCE W788-1 M12 0\\nSiemens SCALANCE W788-1 RJ45 0\\nSiemens SCALANCE W788-1 RJ45 0\\nSiemens SCALANCE W788-2 M12 0\\nSiemens SCALANCE W788-2 M12 0\\nSiemens SCALANCE W788-2 M12 EEC 0\\nSiemens SCALANCE W788-2 M12 EEC 0\\nSiemens SCALANCE W788-2 M12 EEC 0\\nSiemens SCALANCE W788-2 RJ45 0\\nSiemens SCALANCE W788-2 RJ45 0\\nSiemens SCALANCE W788-2 RJ45 0\\nSiemens SCALANCE WAB762-1 0\\nSiemens SCALANCE WAM763-1 0\\nSiemens SCALANCE WAM763-1 (ME) 0\\nSiemens SCALANCE WAM763-1 (US) 0\\nSiemens SCALANCE WAM766-1 0\\nSiemens SCALANCE WAM766-1 (ME) 0\\nSiemens SCALANCE WAM766-1 (US) 0\\nSiemens SCALANCE WAM766-1 EEC 0\\nSiemens SCALANCE WAM766-1 EEC (ME) 0\\nSiemens SCALANCE WAM766-1 EEC (US) 0\\nSiemens SCALANCE WUB762-1 0\\nSiemens SCALANCE WUB762-1 iFeatures 0\\nSiemens SCALANCE WUM763-1 0\\nSiemens SCALANCE WUM763-1 0\\nSiemens SCALANCE WUM763-1 (US) 0\\nSiemens SCALANCE WUM763-1 (US) 0\\nSiemens SCALANCE WUM766-1 0\\nSiemens SCALANCE WUM766-1 (ME) 0\\nSiemens SCALANCE WUM766-1 (USA) 0\\nSiemens SCALANCE X204-2 0\\nSiemens SCALANCE X204-2FM 0\\nSiemens SCALANCE X204-2LD 0\\nSiemens SCALANCE X204-2LD TS 0\\nSiemens SCALANCE X204-2TS 0\\nSiemens SCALANCE X206-1 0\\nSiemens SCALANCE X206-1LD 0\\nSiemens SCALANCE X208 0\\nSiemens SCALANCE X208PRO 0\\nSiemens SCALANCE X212-2 0\\nSiemens SCALANCE X212-2LD 0\\nSiemens SCALANCE X216 0\\nSiemens SCALANCE X224 0\\nSiemens SCALANCE X302-7 EEC (230V, coated) 0\\nSiemens SCALANCE X302-7 EEC (230V) 0\\nSiemens SCALANCE X302-7 EEC (24V, coated) 0\\nSiemens SCALANCE X302-7 EEC (24V) 0\\nSiemens SCALANCE X302-7 EEC (2x 230V, coated) 0\\nSiemens SCALANCE X302-7 EEC (2x 230V) 0\\nSiemens SCALANCE X302-7 EEC (2x 24V, coated) 0\\nSiemens SCALANCE X302-7 EEC (2x 24V) 0\\nSiemens SCALANCE X304-2FE 0\\nSiemens SCALANCE X306-1LD FE 0\\nSiemens SCALANCE X307-2 EEC (230V, coated) 0\\nSiemens SCALANCE X307-2 EEC (230V) 0\\nSiemens SCALANCE X307-2 EEC (24V, coated) 0\\nSiemens SCALANCE X307-2 EEC (24V) 0\\nSiemens SCALANCE X307-2 EEC (2x 230V, coated) 0\\nSiemens SCALANCE X307-2 EEC (2x 230V) 0\\nSiemens SCALANCE X307-2 EEC (2x 24V, coated) 0\\nSiemens SCALANCE X307-2 EEC (2x 24V) 0\\nSiemens SCALANCE X307-3 0\\nSiemens SCALANCE X307-3 0\\nSiemens SCALANCE X307-3LD 0\\nSiemens SCALANCE X307-3LD 0\\nSiemens SCALANCE X308-2 0\\nSiemens SCALANCE X308-2 RD (inkl. SIPLUS variants) 0\\nSiemens SCALANCE X308-2LD 0\\nSiemens SCALANCE X308-2LD 0\\nSiemens SCALANCE X308-2LH 0\\nSiemens SCALANCE X308-2LH 0\\nSiemens SCALANCE X308-2LH+ 0\\nSiemens SCALANCE X308-2LH+ 0\\nSiemens SCALANCE X308-2M 0\\nSiemens SCALANCE X308-2M 0\\nSiemens SCALANCE X308-2M PoE 0\\nSiemens SCALANCE X308-2M PoE 0\\nSiemens SCALANCE X308-2M TS 0\\nSiemens SCALANCE X308-2M TS 0\\nSiemens SCALANCE X310 0\\nSiemens SCALANCE X310 0\\nSiemens SCALANCE X310FE 0\\nSiemens SCALANCE X310FE 0\\nSiemens SCALANCE X320-1 FE 0\\nSiemens SCALANCE X320-1-2LD FE 0\\nSiemens SCALANCE X408-2 0\\nSiemens SCALANCE XF204 0\\nSiemens SCALANCE XF204-2 0\\nSiemens SCALANCE XF206-1 0\\nSiemens SCALANCE XF208 0\\nSiemens SCALANCE XM408-4C 0\\nSiemens SCALANCE XM408-4C (L3 int.) 0\\nSiemens SCALANCE XM408-8C 0\\nSiemens SCALANCE XM408-8C (L3 int.) 0\\nSiemens SCALANCE XM416-4C 0\\nSiemens SCALANCE XM416-4C (L3 int.) 0\\nSiemens SCALANCE XR324-12M (230V, ports on front) 0\\nSiemens SCALANCE XR324-12M (230V, ports on front) 0\\nSiemens SCALANCE XR324-12M (230V, ports on rear) 0\\nSiemens SCALANCE XR324-12M (230V, ports on rear) 0\\nSiemens SCALANCE XR324-12M (24V, ports on front) 0\\nSiemens SCALANCE XR324-12M (24V, ports on front) 0\\nSiemens SCALANCE XR324-12M (24V, ports on rear) 0\\nSiemens SCALANCE XR324-12M (24V, ports on rear) 0\\nSiemens SCALANCE XR324-12M TS (24V) 0\\nSiemens SCALANCE XR324-12M TS (24V) 0\\nSiemens SCALANCE XR324-4M EEC (100-240VAC\/60-250VDC, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (100-240VAC\/60-250VDC, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (100-240VAC\/60-250VDC, ports on rear) 0\\nSiemens SCALANCE XR324-4M EEC (100-240VAC\/60-250VDC, ports on rear) 0\\nSiemens SCALANCE XR324-4M EEC (24V, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (24V, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (24V, ports on rear) 0\\nSiemens SCALANCE XR324-4M EEC (24V, ports on rear) 0\\nSiemens SCALANCE XR324-4M EEC (2x 100-240VAC\/60-250VDC, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (2x 100-240VAC\/60-250VDC, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (2x 100-240VAC\/60-250VDC, ports on rear) 0\\nSiemens SCALANCE XR324-4M EEC (2x 100-240VAC\/60-250VDC, ports on rear) 0\\nSiemens SCALANCE XR324-4M EEC (2x 24V, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (2x 24V, ports on front) 0\\nSiemens SCALANCE XR324-4M EEC (2x 24V, ports on rear) 0\\nSiemens SCALANCE XR324-4M EEC (2x 24V, ports on rear) 0\\nSiemens SCALANCE XR324-4M PoE (230V, ports on front) 0\\nSiemens SCALANCE XR324-4M PoE (230V, ports on front) 0\\nSiemens SCALANCE XR324-4M PoE (230V, ports on rear) 0\\nSiemens SCALANCE XR324-4M PoE (230V, ports on rear) 0\\nSiemens SCALANCE XR324-4M PoE (24V, ports on front) 0\\nSiemens SCALANCE XR324-4M PoE (24V, ports on front) 0\\nSiemens SCALANCE XR324-4M PoE (24V, ports on rear) 0\\nSiemens SCALANCE XR324-4M PoE (24V, ports on rear) 0\\nSiemens SCALANCE XR324-4M PoE TS (24V, ports on front) 0\\nSiemens SCALANCE XR324-4M PoE TS (24V, ports on front) 0\\nSiemens SCALANCE XR524-8C, 1x230V 0\\nSiemens SCALANCE XR524-8C, 1x230V (L3 int.) 0\\nSiemens SCALANCE XR524-8C, 24V 0\\nSiemens SCALANCE XR524-8C, 24V (L3 int.) 0\\nSiemens SCALANCE XR524-8C, 2x230V 0\\nSiemens SCALANCE XR524-8C, 2x230V (L3 int.) 0\\nSiemens SCALANCE XR526-8C, 1x230V 0\\nSiemens SCALANCE XR526-8C, 1x230V (L3 int.) 0\\nSiemens SCALANCE XR526-8C, 24V 0\\nSiemens SCALANCE XR526-8C, 24V (L3 int.) 0\\nSiemens SCALANCE XR526-8C, 2x230V 0\\nSiemens SCALANCE XR526-8C, 2x230V (L3 int.) 0\\nSiemens SCALANCE XR528-6M 0\\nSiemens SCALANCE XR528-6M (2HR2, L3 int.) 0\\nSiemens SCALANCE XR528-6M (2HR2) 0\\nSiemens SCALANCE XR528-6M (L3 int.) 0\\nSiemens SCALANCE XR552-12M 0\\nSiemens SCALANCE XR552-12M (2HR2, L3 int.) 0\\nSiemens SCALANCE XR552-12M (2HR2) 0\\nSiemens SCALANCE XR552-12M (2HR2) 0\\nSiemens SIMATIC CFU DIQ 0\\nSiemens SIMATIC CFU PA 0\\nSiemens SIMATIC CFU PA 0\\nSiemens SIMATIC ET 200pro IM 154-8 PN\/DP CPU 0\\nSiemens SIMATIC ET 200pro IM 154-8F PN\/DP CPU 0\\nSiemens SIMATIC ET 200pro IM 154-8FX PN\/DP CPU 0\\nSiemens SIMATIC ET 200S IM 151-8 PN\/DP CPU 0\\nSiemens SIMATIC ET 200S IM 151-8F PN\/DP CPU 0\\nSiemens SIMATIC ET 200SP CPU 1510SP F-1 PN 0\\nSiemens SIMATIC ET 200SP CPU 1510SP-1 PN 0\\nSiemens SIMATIC ET 200SP CPU 1512SP F-1 PN 0\\nSiemens SIMATIC ET 200SP CPU 1512SP-1 PN 0\\nSiemens SIMATIC ET 200SP HA IM155-6 PN 0\\nSiemens SIMATIC S7-1500 CPU 1511-1 PN 0\\nSiemens SIMATIC S7-1500 CPU 1511F-1 PN 0\\nSiemens SIMATIC S7-1500 CPU 1513-1 PN 0\\nSiemens SIMATIC S7-1500 CPU 1515-2 PN 0\\nSiemens SIMATIC S7-1500 CPU 1515F-2 PN 0\\nSiemens SIMATIC S7-1500 CPU 1516-3 PN\/DP 0\\nSiemens SIMATIC S7-1500 CPU 1516F-3 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 314C-2 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 315-2 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 315F-2 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 315T-3 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 317-2 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 317F-2 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 317T-3 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 317TF-3 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 319-3 PN\/DP 0\\nSiemens SIMATIC S7-300 CPU 319F-3 PN\/DP 0\\nSiemens SIMATIC S7-400 CPU 412-2 PN V7 0\\nSiemens SIMATIC S7-400 CPU 414-3 PN\/DP V7 0\\nSiemens SIMATIC S7-400 CPU 414F-3 PN\/DP V7 0\\nSiemens SIMATIC S7-400 CPU 416-3 PN\/DP V7 0\\nSiemens SIMATIC S7-400 CPU 416F-3 PN\/DP V7 0\\nSiemens SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) 0\\nSiemens SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) 0\\nSiemens SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) 0\\nSiemens SIMIT UNIT V10 0\\nSiemens SIMIT UNIT V11 0\\nSiemens SINAMICS CBE20 0\\nSiemens SINAMICS G115D 0\\nSiemens SINAMICS G120 (incl. SIPLUS variants) 0\\nSiemens SINAMICS G120C 0\\nSiemens SINAMICS G120D 0\\nSiemens SINAMICS G120X 0\\nSiemens SINAMICS G120XA 0\\nSiemens SINAMICS G130 0\\nSiemens SINAMICS G150 0\\nSiemens SINAMICS S110 0\\nSiemens SINAMICS S120 (incl. SIPLUS variants) 0\\nSiemens SINAMICS S150 0\\nSiemens SINUMERIK 840D sl 0\\nSiemens SIPLUS ET 200S IM 151-8 PN\/DP CPU 0\\nSiemens SIPLUS ET 200S IM 151-8F PN\/DP CPU 0\\nSiemens SIPLUS NET IE\/PB link PN IO 0\\nSiemens SIPLUS S7-300 CPU 314C-2 PN\/DP 0\\nSiemens SIPLUS S7-300 CPU 315-2 PN\/DP 0\\nSiemens SIPLUS S7-300 CPU 315F-2 PN\/DP 0\\nSiemens SIPLUS S7-300 CPU 317-2 PN\/DP 0\\nSiemens SIPLUS S7-300 CPU 317F-2 PN\/DP 0\\nSiemens SIPLUS S7-400 CPU 414-3 PN\/DP V7 0\\nSiemens SIPLUS S7-400 CPU 416-3 PN\/DP V7 0\\nSiemens SITOP PSU8600 1AC 20 A\/4×5 A PN 0\\nSiemens SITOP PSU8600 3AC 20 A PN 0\\nSiemens SITOP PSU8600 3AC 20 A\/4×5 A PN 0\\nSiemens SITOP PSU8600 3AC 40 A PN 0\\nSiemens SITOP PSU8600 3AC 40 A\/4×10 A PN 0\\nSiemens SITOP PSU8600 3AC 40 A\/4x10A EIP 0\\nSiemens SITOP UPS1600 10 A Ethernet\/ PROFINET 0\\nSiemens SITOP UPS1600 20 A Ethernet\/ PROFINET 0\\nSiemens SITOP UPS1600 40 A Ethernet\/ PROFINET 0\\nSiemens SITOP UPS1600 EX 20 A Ethernet PROFINET 0″,”sourceHref”:””,”cvss”:{“score”:7.5,”severity”:”HIGH”,”vector”:”CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:N\/I:N\/A:H”,”version”:”3.1″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”IE\/PB LINK HA”,”version”:”0″,”vendor”:”Siemens”,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"

{“lastseen”:””,”description”:”The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests. 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