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Vulnerability · Published Aug 17, 2026 · Assigned by VulDB

CVE-2026-19976COMFAST CF-N1-S mbox-config sub_44A968 command injection

Medium 6.6

In plain English

A medium-severity command injection in CF-N1-S from COMFAST. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.9% (higher than 87% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)2.9%top 13.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in COMFAST CF-N1-S 2.6.0.1. Impacted is the function sub_44A968 of the file /cgi-bin/mbox-config?method=SET&section=ptest_macaddress. Such manipulation of the argument macaddress leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

VendorProductVersions
COMFAST CF-N1-S 2.6.0.1

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

References