CVE-2026-77004CWE-74CWE-77command-injection

CVE-2026-77004

High · published August 20, 2026

CVSS v3.1
7.4
EPSS
2%
Percentile
77.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
5.3 · 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
EPSS
0.01768 · 77.9th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-20T20:18Z
References (5)
https://github.com/lxiansheng488-bit/-/blob/main/%E5%8E%82%E5%95%86comefast%20%20CF-N1-S%20V2.pdf · [email protected]https://vuldb.com/cve/CVE-2026-77004 · [email protected]https://vuldb.com/submit/880584 · [email protected]https://vuldb.com/vuln/393623 · [email protected]https://vuldb.com/vuln/393623/cti · [email protected]
EPSS history
Timeline
  • 20 AUG 16:00Z
    Comfast CF-N1-S mbox-config sprintf command injection
    cvelistv5