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VulnerabilityPublished

CVE-2025-66575: VeePN VeeVPN · Unquoted Search Path or Element

Affects VeePN VeeVPNSource CVE Database V5

0

Public exploit available · CVSS 8.5 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 4.0 base score
8.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 39% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubveepn/veepnpkg:github/veepn/veepnOther threatsAffected
  • =1.6.1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

  1. Immediately audit all systems running VeeVPN version 1.6.1 to identify vulnerable installations.
  2. Restrict NTFS permissions on the directories containing the VeePNService executable to prevent unauthorized users from writing or placing malicious files in the service path.
  3. Implement application whitelisting to block execution of unauthorized binaries in service-related directories.
  4. Monitor system event logs and service configurations for unauthorized changes or suspicious activity related to VeePNService.
  5. Enforce strict user privilege management to limit the ability of non-administrative users to modify service configurations or file system paths.
  6. Where possible, isolate systems running VeeVPN in segmented network zones to reduce exposure.
  7. Engage with VeePN vendor support to obtain patches or official guidance and apply updates promptly once available.
  8. Educate users about the risks of triggering system reboots or startups without verifying system integrity.
  9. Employ endpoint detection and response (EDR) tools to detect anomalous process executions and privilege escalations.
  10. Consider temporary alternative VPN solutions if patching is delayed, especially in high-risk environments.

Description

VeeVPN 1.6.1 contains an unquoted service path vulnerability in the VeePNService that allows remote attackers to execute code during startup or reboot with escalated privileges. Attackers can exploit this by providing a malicious service name, allowing them to inject commands and run as LocalSystem.

References

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