Vulnerability · Published Jan 8, 2026 · Assigned by suse

CVE-2025-67603Lack of client authorization allows arbitrary users to influence the firewall configuration

Medium 5.1

In plain English

A medium-severity security flaw in Foomuuri from https://github.com/FoobarOy/. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.2%top 94.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13foomuuri0.27-2+deb13u1DEBIAN-CVE-2025-67603
Debian:13foomuuri0.27-2+deb13u1DSA-6095-1
Debian:14foomuuri0.31-1DEBIAN-CVE-2025-67603
Ubuntu:25.10foomuuri0.27-2+deb13u1build0.25.10.1USN-8326-1
Ubuntu:25.10foomuuri0.27-2+deb13u1build0.25.10.1UBUNTU-CVE-2025-67603

Affected products (as reported)

VendorProductVersions
https://github.com/FoobarOy/ Foomuuri ? – before 0.31

Weakness: CWE-285 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

References