CVE-2025-15638 Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt
Net::Dropbear bundles vulnerable libtomcrypt versions, allowing attackers to exploit underlying cryptographic flaws for code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15638?
CVE-2025-15638 is a critical vulnerability in ATRODO Net::Dropbear, published on 21 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-1395
Which versions are affected by CVE-2025-15638?
It affects 1 product.
Products include Atrodo Net\.
How do I fix CVE-2025-15638?
No fix has been published for CVE-2025-15638 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-15638 being exploited?
There is no known exploitation of CVE-2025-15638 in the wild and no public exploit code.
Sources
Also known as GHSA-fwph-xhj4-v8r5.