A security vulnerability has been detected in COMFAST CF-N1-S 2.6.0.1. Impacted is the function sub_44A968 of the file /cgi-bin/mbox-config?method=SET&section=ptest_macaddress. Such manipulation of the argument macaddress leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Multiple

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
COMFAST CF-N1-S affected
Version Status Constraints
2.6.0.1 affected —

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Project Subscriptions

Vendors Products
Comfast Subscribe
Cf-n1-s Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/1ChaoRen1/IOT/blob/main/CF-N1-S-V2.6.0.1%20.pdf cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-19976 cve-icon cve-icon
https://vuldb.com/submit/873821 cve-icon cve-icon
https://vuldb.com/vuln/391155 cve-icon cve-icon
https://vuldb.com/vuln/391155/cti cve-icon cve-icon
History

Mon, 17 Aug 2026 03:00:00 +0000

Type Values Removed Values Added
Description A security vulnerability has been detected in COMFAST CF-N1-S 2.6.0.1. Impacted is the function sub_44A968 of the file /cgi-bin/mbox-config?method=SET&section=ptest_macaddress. Such manipulation of the argument macaddress leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title COMFAST CF-N1-S mbox-config sub_44A968 command injection
First Time appeared Comfast
Comfast cf-n1-s
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*
Vendors & Products Comfast
Comfast cf-n1-s
References
Metrics cvssV2_0

{'score': 5.8, 'vector': 'AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.6, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-17T02:45:11.135Z

Reserved: 2026-08-16T11:59:46.359Z

Link: CVE-2026-19976

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-17T03:16:50.333

Modified: 2026-08-17T03:16:50.333

Link: CVE-2026-19976

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses