CVE-2025-40833

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Published May 12, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}
Type Values Removed Values Added
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.
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
siemens
Published
Updated
Nov 10, 2026, 11:30 AM
Reserved
Apr 16, 2025, 8:50 AM

View source JSON

Updated
May 12, 2026, 1:30 PM

JSON

Status
Awaiting Analysis
Published
May 12, 2026, 10:16 AM
Modified
Nov 10, 2026, 12:17 PM

View source JSON

No data.

Updated
May 12, 2026, 10:30 AM

JSON