What is CVE-2026-4466?

CVE-2026-4466 is a medium-severity vulnerability in Comfast Cf-ac100, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-03-20.

How severe is CVE-2026-4466?

Medium severity. CVSS v3 base score is 4.7 out of 10.

RCE in Comfast Cf-ac100

CVE-2026-4466

A vulnerability has been found in Comfast CF-AC100 2.6.0.8. This affects an unknown function of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone. The manipulation leads to command injection. Remote exploitation of the attack i…

EPSS: 0.001 (23.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Comfast Cf-ac100 — versions 2.6.0.8

Weakness classification (CWE)

References

VDB-351756 | Comfast CF-AC100 mbox-config command injection (vdb-entry)
VDB-351756 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #772874 | Comfast CF-AC100 V2.6.0.8 Command Injection (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-4466?: CVE-2026-4466 is a medium-severity vulnerability in Comfast Cf-ac100, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-03-20.
How severe is CVE-2026-4466?: Medium severity. CVSS v3 base score is 4.7 out of 10.