How severe is CVE-2026-2823?

CVE-2026-2823 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-2823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2823?

CVE-2026-2823 affects Comfast Cf-e7 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2823?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2823 have an EU (EUVD) identifier?

Yes. CVE-2026-2823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7620.

When was CVE-2026-2823 published?

CVE-2026-2823 was published on 2026-02-20 and last updated on 2026-06-17.

CVE-2026-2823

CVE-2026-2823 is a medium-severity vulnerability in Comfast Cf-e7 Firmware with a CVSS 3.x base score of 6.3. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7620
Weakness: CWE-77
Affected product: Comfast Cf-e7 Firmware
Published: 2026-02-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-2823?: 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.
How severe is CVE-2026-2823?: CVE-2026-2823 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-2823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2823?: CVE-2026-2823 affects Comfast Cf-e7 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2823 have an EU (EUVD) identifier?: Yes. CVE-2026-2823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7620.
When was CVE-2026-2823 published?: CVE-2026-2823 was published on 2026-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:comfast:cf-e7_firmware:2.6.0.9:*:*:*:*:*:*:*

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