CVE-2025-40833

published 2026-05-12

CVE-2025-40833: The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests. This could allow an attacker to cause…

high 8.7 CVSS 4.0

AV N AC L AT N PR N UI N VC N VI N VA H SC N SI N SA N E X CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

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.

Affected

170 ranges · showing 25

Vendor	Product	Version range	Fixed in
siemens	ie_pb_link_ha	< *	*
siemens	ie_pb_link_pn_io	< *	*
siemens	ruggedcom_rm1224_lte_eu	< V8.3	V8.3
siemens	ruggedcom_rm1224_lte_nam	< V8.3	V8.3
siemens	scalance_m804pb	< V8.3	V8.3
siemens	scalance_m812-1_adsl-router	< V8.3	V8.3
siemens	scalance_m816-1_adsl-router	< V8.3	V8.3
siemens	scalance_m826-2_shdsl-router	< V8.3	V8.3
siemens	scalance_m874-2	< V8.3	V8.3
siemens	scalance_m874-3	< V8.3	V8.3
siemens	scalance_m874-3_3g-router	< V8.3	V8.3
siemens	scalance_m876-3	< V8.3	V8.3
siemens	scalance_m876-4	< V8.3	V8.3
siemens	scalance_mub852-1	< V8.3	V8.3
siemens	scalance_mum853-1	< V8.3	V8.3
siemens	scalance_mum856-1	< V8.3	V8.3
siemens	scalance_s615_eec_lan-router	< V8.3	V8.3
siemens	scalance_s615_lan-router	< V8.3	V8.3
siemens	scalance_sc622-2c	< *	*
siemens	scalance_sc626-2c	< *	*
siemens	scalance_sc632-2c	< *	*
siemens	scalance_sc636-2c	< *	*
siemens	scalance_sc642-2c	< *	*
siemens	scalance_sc646-2c	< *	*
siemens	scalance_w1748-1_m12	< *	*

CWE-476