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Vulnerabilities

Vulnerability · CVE-2025-15638

Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt.

Published Apr 21, 2026 · catalog updated Oct 7, 2026 · Net::Dropbear versions before 0.14

Check if you run it

No confirmed exploitation is on record for CVE-2025-15638. EPSS is 0.57%. Act only if a listed version of Net::Dropbear versions before 0.14 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Net::Dropbear versions before 0.14).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.57%
Remediation
Advisory link
Affected products
cpe atrodo/net

Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt. Net::Dropbear versions before 0.14 includes versions of Dropbear 2019.78 or earlier. These include versions of libtomcrypt v1.18.1 or earlier, which is affected by CVE-2016-6129 and CVE-2018-12437.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe atrodo/net\

How to fix CVE-2025-15638

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-15638. EPSS is 0.57%. Act only if a listed version of Net::Dropbear versions before 0.14 is installed.

Which versions are affected?

Compare what you have installed with \. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.57%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 21, 2026 · NIST NVD

    Detected

    Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt. Net::Dropbear versions before 0.14 includes versions of Dropbear 2019.78 or earlier. These include versions of libtomcrypt v1.18.1 or earlier, which is affected by CVE-2016-6129 and CVE-2018-12437.

  2. Oct 7, 2026 · NIST NVD

    Updated

    Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt. Net::Dropbear versions before 0.14 includes versions of Dropbear 2019.78 or earlier. These include versions of libtomcrypt v1.18.1 or earlier, which is affected by CVE-2016-6129 and CVE-2018-12437.

Sources

  • CVE.orgVulnerability recordCVE-2025-15638

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-15638

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2025-15638

    Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt. Net::Dropbear versions before 0.14 includes versions of Dropbear 2019.78 or earlier. These include versions of libtomcrypt v1.18.1 or earlier, which is affected by CVE-2016-6129 and CVE-201

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.