What is CVE-2025-40914?

CVE-2025-40914 is a critical-severity vulnerability in Mik Cryptx, classified under CWE-1395. CVSS score: 9.8/10. Published 2025-06-11.

How severe is CVE-2025-40914?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-40914 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mik Cryptx

CVE-2025-40914

Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow. CryptX embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.

EPSS: 0.004 (35.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mik Cryptx — versions 0.002

Weakness classification (CWE)

CWE-1395

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-40914?: CVE-2025-40914 is a critical-severity vulnerability in Mik Cryptx, classified under CWE-1395. CVSS score: 9.8/10. Published 2025-06-11.
How severe is CVE-2025-40914?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-40914 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.