4.7
MEDIUM CVSS 3.1
CVE-2025-41421
Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client
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.

INFO

Published Date :

Oct. 1, 2025, 2:15 p.m.

Last Modified :

Oct. 1, 2025, 2:15 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-41421 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 13430f76-86eb-43b2-a71c-82c956ef31b6
CVSS 3.1 MEDIUM [email protected]
Solution
Update TeamViewer to a version that addresses the symbolic link handling vulnerability.
  • Update TeamViewer Full Client to version 15.70 or later.
  • Update TeamViewer Host to version 15.70 or later.
  • Update TeamViewer Tensor to version 15.70 or later.
  • Ensure adequate malware protection is active.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-41421.

URL Resource
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1004/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-41421 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-41421 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-41421 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-41421 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 01, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-59
    Added Reference https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1004/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.7
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact