RCE in Comfast Cf-N1-S
CVE-2026-6799
A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is some unknown functionality of the file /cgi-bin/mbox-config?method=SET§ion=ping_config of the component Endpoint. Performing a manipulation of the argument destination results in command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
EPSS: 0.019 (79.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Comfast Cf-n1-s — versions 2.6.0.1
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-6799?
- CVE-2026-6799 is a medium-severity vulnerability in Comfast Cf-N1-S, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-04-21.
- How severe is CVE-2026-6799?
- Medium severity. CVSS v3 base score is 6.3 out of 10.