Vulnerability intelligence
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 denial of service condition. A manual restart is required to recover the system.
CVSS Score
8.7
High
EPSS — Exploit Probability
0.3%
Riskier than 25% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered May 14, 2026 · latest May 14, 2026
Coverage timeline
-
Siemens Industrial Devices Flaw Triggers DoS, Needs Manual Restartwww.cisa.gov · May 14, 2026