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Vulnerabilities

Vulnerability · CVE-2026-3798

A vulnerability was detected in Comfast CF-AC100 2.6.0.8.

Published Mar 9, 2026 · catalog updated Jun 17, 2026 · cf-ac100 firmware

Check this week

CVE-2026-3798 is not in CISA KEV. FIRST estimates a 11.34% chance of exploitation in the next 30 days. Check whether you run cf-ac100 firmware.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
11.34%
Remediation
Advisory link
Affected products
cpe comfast/cf-ac100 firmware

A vulnerability was detected in Comfast CF-AC100 2.6.0.8. This affects the function sub_44AC14 of the file /cgi-bin/mbox-config?method=SET&section=ping_config of the component Request Path Handler. The manipulation results in command injection. The attack may be launched 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe comfast/cf-ac100 firmware2.6.0.8

How to fix CVE-2026-3798

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-3798 is not in CISA KEV. FIRST estimates a 11.34% chance of exploitation in the next 30 days. Check whether you run cf-ac100 firmware.

Which versions are affected?

Compare what you have installed with comfast/cf-ac100 firmware 2.6.0.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-74: Injection; CWE-77: Command Injection. EPSS 11.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 9, 2026 · NIST NVD

    Detected

    A vulnerability was detected in Comfast CF-AC100 2.6.0.8. This affects the function sub_44AC14 of the file /cgi-bin/mbox-config?method=SET&section=ping_config of the component Request Path Handler. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in

  2. Jun 17, 2026 · NIST NVD

    Updated

    A vulnerability was detected in Comfast CF-AC100 2.6.0.8. This affects the function sub_44AC14 of the file /cgi-bin/mbox-config?method=SET&section=ping_config of the component Request Path Handler. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in

Sources

  • CVE.orgVulnerability recordCVE-2026-3798

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3798

    30-day exploitation probability 11.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-3798

    A vulnerability was detected in Comfast CF-AC100 2.6.0.8. This affects the function sub_44AC14 of the file /cgi-bin/mbox-config?method=SET&section=ping_config of the component Request Path Handler. The manipulation results in command injection. The attack may be launched remotely

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.