CVE-2025-64994: TeamViewer DEX · Uncontrolled Search Path Element
Affects TeamViewer DEXSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TeamViewer DEX | Affected
| Fixed in– |
AI-suggested
- Immediately audit and restrict write permissions on all directories included in the system PATH environment variable to prevent unauthorized modification.
- Implement strict endpoint security policies that limit local user privileges, ensuring that only trusted administrators have write access to critical system paths.
- Monitor filesystem changes and employ integrity checking tools to detect unauthorized additions or modifications to executables in PATH directories.
- Enforce application whitelisting to prevent execution of unapproved binaries, especially in directories accessible to multiple users.
- Educate users about the risks of executing untrusted code and the importance of reporting suspicious activity.
- Maintain up-to-date backups and incident response plans to mitigate potential damage from exploitation.
- Once available, promptly apply official patches or updates from TeamViewer addressing this vulnerability.
- Consider isolating or segmenting systems running TeamViewer DEX to limit lateral movement in case of compromise.
Description
A privilege escalation vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Nomad-SetWorkRate instruction prior V17.1. The improper handling of executable search paths could allow local attackers with write access to a PATH directory on a device to escalate privileges and execute arbitrary code as SYSTEM.