RCE in Pnetlab

CVE-2025-63749

pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.010 (59.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Pnetlab — versions 5.3.11
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63749?: CVE-2025-63749 is a medium-severity vulnerability in Pnetlab, classified under Command Injection. CVSS score: 6.5/10. Published 2025-11-18.
How severe is CVE-2025-63749?: Medium severity. CVSS v3 base score is 6.5 out of 10.