CVE-2024-32388

low-risk

Published 2025-12-01

Due to a firewall misconfiguration, Kerlink devices running KerOS prior to 5.12 incorrectly accept specially crafted UDP packets. This allows an attacker to bypass the firewall and access UDP-based services that would otherwise be protected.

Do I need to act?

0.05% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Keros

Affected Vendors

Kerlink

References (2)

Vendor Advisory https://keros.docs.kerlink.com/security/security_advisories_kerOS5

Third Party Advisory https://www.bdosecurity.de/en-gb/advisories/cve-2024-32388

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal