Vulnerability · Published Feb 16, 2026 · Assigned by VulDB

CVE-2026-2534Comfast CF-N1 V2 mbox-config sub_44AC4C command injection

Medium 6.3

In plain English

A medium-severity command injection in CF-N1 V2 from Comfast. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 15.0% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)15.0%top 3.3% 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-N1 V2 2.6.0.2. The affected element is the function sub_44AC4C of the file /cgi-bin/mbox-config?method=SET&section=ptest_bandwidth. The manipulation of the argument bandwidth leads to command injection. The attack can be initiated remotely. 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-N1 V2	2.6.0.2

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

References

VDB-346122 | Comfast CF-N1 V2 mbox-config sub_44AC4C command injection vdb-entry, technical-description
VDB-346122 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #748783 | ComFast COMFAST CF-N1 V2 V2.6.0.2 Command Injection third-party-advisory
https://github.com/jinhao118/cve/blob/main/ComFast%20Router_1.md exploit