CVE-2025-30401: whatsapp (CVSS 6.7)

Description

A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments according to their MIME type but selected the file opening handler based on the attachment’s filename extension. A maliciously crafted mismatch could have caused the recipient to inadvertently execute arbitrary code rather than view the attachment when manually opening the attachment inside WhatsApp. We have not seen evidence of exploitation in the wild.

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CVSS v3.1 Score

6.7

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L

Affected Products

Vendor	Product	Versions
whatsapp	whatsapp	< 2.2450.6

References

Other References

https://www.facebook.com/security/advisories/cve-2025-30401 https://www.whatsapp.com/security/advisories/2025/

Frequently Asked Questions

What is CVE-2025-30401? +

A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments according to their MIME type but selected the file opening handler based on the attachment’s filename extension. A maliciously crafted mismatch could have caused the recipient to inadvertently execute arbitrary code rather than view the attachment when manually opening the attachment inside WhatsApp. We have not seen evidence of exploitation in the wild. It has a CVSS v3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2025-30401? +

CVE-2025-30401 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-30401? +

CVE-2025-30401 affects products from whatsapp, specifically: whatsapp. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-30401? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-30401