CVE-2026-77004

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

2.1CVSS: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

CVSS 3.1

7.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

EPSS

1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-25)

CWEs

CWE-74, CWE-77

Published

2026-08-20

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

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

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