CVE-2026-2534

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 v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/jinhao118/cve/blob/main/ComFast%20Router_1.md	Exploit Third Party Advisory
https://vuldb.com/?ctiid.346122	Permissions Required VDB Entry
https://vuldb.com/?id.346122	Third Party Advisory VDB Entry
https://vuldb.com/?submit.748783	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:comfast:cf-n1_firmware:2.6.0.2:*:*:*:*:*:*:*

cpe:2.3:h:comfast:cf-n1:2:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-16 04:15

Updated : 2026-02-19 19:41

NVD link : CVE-2026-2534

Mitre link : CVE-2026-2534

CVE.ORG link : CVE-2026-2534

JSON object : View

Products Affected

comfast

cf-n1
cf-n1_firmware

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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El proveedor fue contactado tempranamente sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "lastModified": "2026-02-19T19:41:31.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:comfast:cf-n1_firmware:2.6.0.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB4ABBA6-6406-4E29-8DD8-6A96C7CFDC7A"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:comfast:cf-n1:2:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A7EA826E-566F-49A2-AF70-3B16037396DF"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}