CVE-2025-40833 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-476

References

https://cert-portal.siemens.com/productcert/html/ssa-392349.html

FAQ

What is CVE-2025-40833?

CVE-2025-40833 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 rest...

How severe is CVE-2025-40833?

CVE-2025-40833 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-40833?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.