CVE-2025-41686: Phoenix Contact DaUM · Missing Authentication
Affects Phoenix Contact DaUMSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Phoenix Contact DaUM | Affected
| Fixed in– |
AI-suggested
Organizations should implement strict access controls to limit local user permissions on systems running DaUM, ensuring that only trusted administrators have access to the affected machines. Employing application whitelisting and monitoring execution of nssm.exe can help detect and prevent unauthorized use. Network segmentation should be enforced to isolate critical systems and reduce the risk of lateral movement. Regular auditing of file and process permissions is essential to identify and correct improper configurations. Until an official patch is released, consider deploying host-based intrusion detection systems (HIDS) to monitor for suspicious privilege escalation attempts. Additionally, educating staff about the risks of local privilege escalation and enforcing the principle of least privilege can reduce the attack surface. Organizations should maintain close communication with Phoenix Contact for updates and apply patches promptly once available.
Description
A low-privileged local attacker can exploit improper permissions on nssm.exe to escalate their privileges and gain administrative access.