CVE-2026-2534 — MEDIUM (6.3)

Vulnerability 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.

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_1.mdExploitThird Party Advisory
https://vuldb.com/?ctiid.346122Permissions RequiredVDB Entry
https://vuldb.com/?id.346122Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.748783Third Party AdvisoryVDB Entry

FAQ

What is CVE-2026-2534?

CVE-2026-2534 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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...

How severe is CVE-2026-2534?

CVE-2026-2534 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-2026-2534?

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