CVE-2026-77004

HIGH 7.4

Comfast CF-N1-S mbox-config sprintf command injection

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in Comfast CF-N1-S 2.6.0.1. This impacts the function sprintf of the file /cgi-bin/mbox-config?method=SET&section=ptest_sn. Executing a manipulation of the argument sn can lead to command injection. The attack can be launched remotely. The exploit has been published and may be used.

CWE	CWE-77 CWE-74
Vendor	comfast
Product	cf-n1-s
Published	Aug 20, 2026
Last Updated	Aug 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/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/393623 vuldb.com: https://vuldb.com/vuln/393623/cti vuldb.com: https://vuldb.com/cve/CVE-2026-77004 vuldb.com: https://vuldb.com/submit/880584 github.com: https://github.com/lxiansheng488-bit/-/blob/main/%E5%8E%82%E5%95%86comefast%20%20CF-N1-S%20V2.pdf

Credits

🔍 577488768 (VulDB User)