Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-6218
CVE-2025-6218:
WinRAR vulnerability analysis and mitigation
Overview
CVE-2025-6218 is a directory traversal vulnerability in RARLAB WinRAR that allows remote code execution. The vulnerability was discovered by researcher whs3-detonator working with Trend Micro Zero Day Initiative and was disclosed on June 19, 2025. The vulnerability affects Windows versions of WinRAR, RAR, UnRAR, portable UnRAR source code and UnRAR.dll, while Unix versions and RAR for Android are not affected (ZDI Advisory, WinRAR News).
Technical details
The vulnerability exists within the handling of file paths within archive files. When extracting a file, affected versions can be tricked into using a path defined in a specially crafted archive instead of the user-specified path. This directory traversal flaw allows an attacker to potentially write files to unintended locations. The vulnerability has been assigned a CVSS v3.0 base score of 7.8 (High) with the vector string AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (ZDI Advisory).
Impact
If successfully exploited, this vulnerability allows attackers to execute arbitrary code in the context of the current user. The attack requires user interaction, specifically that the target must visit a malicious page or open a malicious file (ZDI Advisory).
Mitigation and workarounds
RARLAB has released WinRAR version 7.12 Beta 1 on June 10, 2025, which addresses this vulnerability. Users are advised to update to the latest version to protect against this security issue (WinRAR News).
Additional resources
Source: This report was generated using AI
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