CVE-2026-2535 — MEDIUM (6.3)

Vulnerability Description

A vulnerability was found in Comfast CF-N1 V2 2.6.0.2. The impacted element is the function sub_44AB9C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel. The manipulation of the argument channel results in command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Score

6.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Comfast	Cf-N1 Firmware	2.6.0.2
Comfast	Cf-N1	2

Related Weaknesses (CWE)

CWE-74 CWE-77

References

https://github.com/jinhao118/cve/blob/main/ComFast%20Router_2.mdExploitThird Party Advisory
https://vuldb.com/?ctiid.346123Permissions RequiredVDB Entry
https://vuldb.com/?id.346123Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.748784Third Party AdvisoryVDB Entry

FAQ

What is CVE-2026-2535?

CVE-2026-2535 is a vulnerability with a CVSS score of 6.3 (MEDIUM). A vulnerability was found in Comfast CF-N1 V2 2.6.0.2. The impacted element is the function sub_44AB9C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel. The manipulation of the argume...

How severe is CVE-2026-2535?

CVE-2026-2535 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-2535?

Check the references section above for vendor advisories and patch information. Affected products include: Comfast Cf-N1 Firmware, Comfast Cf-N1.