#VU106931 Product UI does not warn user of unsafe actions in WinRAR - CVE-2025-31334

Vulnerability identifier: #VU106931

Vulnerability risk: Medium

CVSSv4.0: 4.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-31334

CWE-ID: CWE-356

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WinRAR
Client/Desktop applications / Software for archiving

Vendor: RARLAB

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to software does not display a warning for files when opening a symbolic link that points to an executable file. A remote attacker can bypass "Mark of the Web" feature and trick the victim into executing malicious files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WinRAR: 3.20 - 7.11 beta 1

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External links
https://jvn.jp/en/jp/JVN59547048/index.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.