peter bassill · operator
$ cve CVE-2026-77683 JSON

CVE-2026-77683

9.9
CRITICAL · CVSS 3.1 · EPSS 2.9% (pctl 87)

In your normal cycle

Critical by CVSS (9.9), but no sign of active exploitation.

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.

Scoring

CVSS9.9 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS2.89% — more likely to be exploited than 87% of all CVEs
WeaknessCWE-74
On CISA KEVno
Public exploitnone known
Published2026-08-21
Last modified2026-08-24

References

→ the Explorer  ·  watch your stack  ·  NVD