THREATPORT/VULNERABILITY/CVE-2026-2823
MEDIUM SEVERITY

CVE-2026-2823

Cf E7 Firmware vulnerability

CVSS
6.3
EPSS
16.8%
EPSS pct
97th
Exploited
No known
A vulnerability was detected in Comfast CF-E7 2.6.0.9. The impacted element is the function sub_41ACCC of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone of the component webmggnt. Performing a manipulation of the argument timestr results in command injection. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected vendor
Comfast
Affected product
Cf E7 Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness type (CWE)
Published
2026-02-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 16.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2026-2823

  • Confirm whether Comfast Cf E7 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-2823.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-2823

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