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…

Priority P3 40 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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	< V3.2	V3.2
siemens	scalance_sc626-2c	< V3.2	V3.2
siemens	scalance_sc632-2c	< V3.2	V3.2
siemens	scalance_sc636-2c	< V3.2	V3.2
siemens	scalance_sc642-2c	< V3.2	V3.2
siemens	scalance_sc646-2c	< V3.2	V3.2
siemens	scalance_w1748-1_m12	< *	*

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v4.0 8.7 HIGH 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

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CWE-476