CVE-2025-32801: high-severity vulnerability in ISC Kea
Loading a malicious hook library can lead to local privilege escalation
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.3%
Kea configuration and API directives can be used to load a malicious hook library. Many common configurations run Kea as root, leave the API entry points unsecured by default, and/or place the control sockets in insecure paths.
This issue affects Kea versions 2.4.0 through 2.4.1, 2.6.0 through 2.6.2, and 2.7.0 through 2.7.8.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
ISC · KeaRelated CVEs — ISC Kea
In the same product, most dangerous first.
CVE-2026-3608HIGHStack overflow in Kea daemonsEPSS 1.4%CVE-2019-6473MEDIUMA packet containing a malformed DUID can cause the kea-dhcp6 server to terminateEPSS 1.2%CVE-2019-6472MEDIUMA packet containing a malformed DUID can cause the kea-dhcp6 server to terminateEPSS 0.8%CVE-2019-6474MEDIUMA packet containing a malformed DUID can cause the kea-dhcp6 server to terminateEPSS 0.7%CVE-2025-40779HIGHKea crash upon interaction between specific client options and subnet selectionEPSS 0.5%CVE-2025-11232HIGHInvalid characters cause assertEPSS 0.4%
References
https://kb.isc.org/docs/cve-2025-32801