CVE-2025-30401

CVE-2025-30401 is a medium-severity vulnerability in Whatsapp with a CVSS 3.x base score of 6.7. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

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.

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.
How severe is CVE-2025-30401?
CVE-2025-30401 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2025-30401 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-30401?
CVE-2025-30401 affects Whatsapp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-30401?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-30401 have an EU (EUVD) identifier?
Yes. CVE-2025-30401 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9915.
When was CVE-2025-30401 published?
CVE-2025-30401 was published on 2025-04-05 and last updated on 2026-06-17.

References

Affected products (1)

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