Auth bypass in Phoenix Contact Daum

CVE-2025-41686

A low-privileged local attacker can exploit improper permissions on nssm.exe to escalate their privileges and gain administrative access.

Vulnerability class: Broken Authentication

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-41686?
CVE-2025-41686 is a high-severity vulnerability in Phoenix Contact Daum, classified under Missing Authentication for Critical Function. CVSS score: 7.8/10. Published 2025-08-12.
How severe is CVE-2025-41686?
High severity. CVSS v3 base score is 7.8 out of 10.