CVE-2025-41421

Oct. 2, 2025, 7:11 p.m.

4.7
Medium

Description

Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.

Product(s) Impacted

Vendor Product Versions
Teamviewer
  • Teamviewer Remote
  • Teamviewer Host
  • Teamviewer Full Client
  • <15.70
  • <15.70
  • <15.70

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a teamviewer teamviewer_remote <15.70 / / / / / /
a teamviewer teamviewer_host <15.70 / / / / / /
a teamviewer teamviewer_full_client <15.70 / / / / / /

CVSS Score

4.7 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: HIGH
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: NONE
  • Availability Impact: NONE
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

    View Vector String

Timeline

Published: Oct. 1, 2025, 2:15 p.m.
Last Modified: Oct. 2, 2025, 7:11 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@teamviewer.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.