CVE-2026-19976

MEDIUM 6.6

COMFAST CF-N1-S mbox-config sub_44A968 command injection

CVSS Score

6.6

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	comfast
Product	cf-n1-s
Published	Aug 17, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

COMFAST / CF-N1-S

2.6.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 ChaoRenChaoJiWuDi (VulDB User) VulDB CNA Team