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Vulnerability record · CVE-2026-77683 · published 21 August 2026

CVE-2026-77683: Injection vulnerability

A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function system of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone. The manipulation of the argument timestr results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

8.6 CVSS 4.0 High EPSS 2.9% · top 13.6% CWE-74 · InjectionCWE-77 · Command injection Deferred
8.6CVSS 4.0 base score, v2 9.0
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
24 Aug 2026Last modified by NVD

Description

A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function system of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone. The manipulation of the argument timestr results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/AdminSafe/CVE/issues/8
https://vuldb.com/cve/CVE-2026-77683
https://vuldb.com/submit/881058
https://vuldb.com/vuln/394033
https://vuldb.com/vuln/394033/cti

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Source: NIST National Vulnerability Database (record CVE-2026-77683), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.