CVE-2025-64995: TeamViewer DEX · Uncontrolled Search Path Element
Affects TeamViewer DEXSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Dec 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TeamViewer DEX | Affected
| Fixed in– |
AI-suggested
1. Apply patches or updates from TeamViewer as soon as they become available for DEX versions prior to 3.4. 2. Restrict local access to devices running TeamViewer DEX to trusted and authorized personnel only, minimizing the risk of local exploitation. 3. Implement strict endpoint security controls, including application whitelisting and monitoring of execution paths to detect unauthorized DLL or binary loading. 4. Use least privilege principles to limit user permissions, reducing the likelihood that an attacker can gain the required high privileges to exploit the vulnerability. 5. Monitor logs and system behavior for unusual activity related to the 1E-Exchange-NomadClientHealth-ConfigureGeneralSetting instruction or unexpected process executions. 6. Conduct regular security audits and endpoint assessments to identify and remediate potential weaknesses in local device security. 7. Educate users about the risks of local privilege escalation and the importance of reporting suspicious behavior promptly.
Description
A privilege escalation vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Exchange-NomadClientHealth-ConfigureGeneralSetting instruction prior V3.4. Improper protection of the execution path on the local device allows attackers, with local access to the device during execution, to hijack the process and execute arbitrary code with SYSTEM privileges.