Vulnerability · Published Mar 20, 2026 · Assigned by VulDB

CVE-2026-4466Comfast CF-AC100 mbox-config command injection

Medium 4.7

In plain English

A medium-severity command injection in CF-AC100 from Comfast. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.3% (higher than 91% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)4.3%top 8.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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 is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Comfast	CF-AC100	2.6.0.8

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

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
https://github.com/jinhao118/cve/blob/main/ComFast%20CF-AC100-V2.6.0.8_2.md exploit