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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.

PUBLISHED Reserved 2026-02-15 | Published 2026-02-16 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

2.6.0.2
affected

Timeline

2026-02-15:Advisory disclosed
2026-02-15:VulDB entry created
2026-02-20:VulDB entry last update

Credits

allanp0e (VulDB User) reporter

References

vuldb.com/?id.346122 (VDB-346122 | Comfast CF-N1 V2 mbox-config sub_44AC4C command injection) vdb-entry technical-description

vuldb.com/?ctiid.346122 (VDB-346122 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.748783 (Submit #748783 | ComFast COMFAST CF-N1 V2 V2.6.0.2 Command Injection) third-party-advisory

github.com/jinhao118/cve/blob/main/ComFast Router_1.md exploit

cve.org (CVE-2026-2534)

nvd.nist.gov (CVE-2026-2534)

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