CVE-2026-77004: medium-severity vulnerability in Comfast CF-N1-S
Comfast CF-N1-S mbox-config sprintf command injection
Published
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 1.8%
exploitation probability
1.8%top 23% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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§ion=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-Spublic PoCs found — 1
cve_referencegithub.com/lxiansheng488-bit/-/blob/main/%E5%8E%82%E5%95%86comefast%20%20CF-N1-S%20V2.pdfunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Comfast CF-N1-S
In the same product, most dangerous first.
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