CVE-2025-40913

CVE-2025-40913 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow. Net::Dropbear embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.

Frequently asked questions

What is CVE-2025-40913?
Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow. Net::Dropbear embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.
How severe is CVE-2025-40913?
CVE-2025-40913 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-40913 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-40913?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40913 have an EU (EUVD) identifier?
Yes. CVE-2025-40913 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21701.
When was CVE-2025-40913 published?
CVE-2025-40913 was published on 2025-07-16 and last updated on 2026-06-17.

References