CVE-2026-2534

Comfast CF-N1 V2 mbox-config sub_44AC4C command injection

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

Comfast · CF-N1 V2

CVSS v4.0 VULDB

2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VULDB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

15.05% chance of exploitation in the next 30 days, 97th percentile

Published

2026-02-16

Updated

2026-02-23

Proof-of-concept exploits (1)

• jinhao118/cve/blob/main/ComFast%20Router_1.md2★ · 2026-02-23

Security advisories

• https://vuldb.com/?id.346122
• https://vuldb.com/?submit.748783

References

• CVE Record
• NVD entry

Related

• CVE-2026-1802
• CVE-2026-2218
• CVE-2026-2535
• CVE-2026-2823
• CVE-2026-2824
• CVE-2026-3661