CVE-2026-77004mediumCWE-74 CWE-77

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

10Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3

exploitation probability

—

observed exploitation

nono source reports it

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/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P

Affected products

Comfast · CF-N1-S

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