VulnerabilityDeferred

CVE-2026-77004

Executing a manipulation of the argument sn can lead to command injection.

LOW 2.1EPSS 1.28%

Does this matter?

Lower severity and a low EPSS score (1.28%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 4.0: 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 1.28% probability · 68th percentile
CISA KEV: Not listed
Weakness: CWE-74, CWE-77
Source: cna@vuldb.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.