CVE-2025-3621: ProTNS ActADUR · Command Injection
Affects ProTNS ActADURSource CVE Database V5
Not known to be exploited · CVSS 9.4 Critical.
Data as of 26 Oct 2026, 11:42 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:LExploitation evidence
Disclosed: evidence found.
CVE published 15 Jul 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 |
|---|---|---|
| ProTNS ActADUR | Affected
| Fixed in– |
AI-suggested
- Immediate upgrade of all affected ActADUR instances to version v2.0.2.0 or later is essential to remediate the vulnerabilities.
- Conduct a thorough audit of network configurations to ensure that ActADUR servers are not bound to unrestricted IP addresses; restrict binding to trusted internal IP ranges only.
- Replace or remove any hard-coded credentials by implementing secure credential management practices, including the use of unique, strong passwords and integration with centralized authentication systems where possible.
- Enhance authentication mechanisms to enforce proper access controls, including multi-factor authentication if supported.
- Implement network segmentation to isolate ActADUR servers from untrusted networks and limit exposure.
- Monitor logs and network traffic for unusual activities indicative of exploitation attempts, focusing on command injection patterns and unauthorized access.
- Develop and test incident response plans specific to ActADUR-related incidents to ensure rapid containment and recovery.
- Engage with ProTNS support for any additional patches or security advisories and subscribe to vulnerability notifications to stay informed about future updates.
Description
Vulnerabilities* in ActADUR local server product, developed and maintained by ProTNS, allows Remote Code Inclusion on host systems. * vulnerabilities: * Improper Neutralization of Special Elements used in a Command ('Command Injection') * Use of Hard-coded Credentials * Improper Authentication * Binding to an Unrestricted IP Address The vulnerability has been rated as critical.This issue affects ActADUR: from v2.0.1.9 before v2.0.2.0., hence updating to version v2.0.2.0.or above is required.