Vulnerability · Published Jan 8, 2026 · Assigned by suse
CVE-2025-67858A crafted "interface" input parameter can lead to integrity loss of the firewall configuration
High 7.0
In plain English
A high-severity argument injection 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 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)7.0High
Exploit odds (30 days)0.2%top 91.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A Improper Neutralization of Argument Delimiters vulnerability in Foomuuri can lead to integrity loss of the firewall configuration or further unspecified impact by manipulating the JSON configuration passed to `nft`. This issue affects Foomuuri: from ? before 0.31.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | foomuuri | 0.27-2+deb13u1 | DEBIAN-CVE-2025-67858 |
| Debian:13 | foomuuri | 0.27-2+deb13u1 | DSA-6095-1 |
| Debian:14 | foomuuri | 0.31-1 | DEBIAN-CVE-2025-67858 |
| Ubuntu:25.10 | foomuuri | 0.27-2+deb13u1build0.25.10.1 | USN-8326-1 |
| Ubuntu:25.10 | foomuuri | 0.27-2+deb13u1build0.25.10.1 | UBUNTU-CVE-2025-67858 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| https://github.com/FoobarOy/ | Foomuuri | ? – before 0.31 |
Weakness: CWE-88 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N