RCE in Comfast Cf-E7
CVE-2026-2824
A flaw has been found in Comfast CF-E7 2.6.0.9. This affects the function sub_441CF4 of the file /cgi-bin/mbox-config?method=SET§ion=ping_config of the component webmggnt. Executing a manipulation of the argument destination can lead to command injection. The attack may be performed from remote. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.115 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.153 · newest: 0.115 · change: -0.038
Affected products
- Comfast Cf-E7 — versions 2.6.0.9
- Comfast Cf-E7 Firmware — versions 2.6.0.9
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/jinhao118/cve/blob/main/ComFast Router_4.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-2824?
- CVE-2026-2824 is a medium-severity vulnerability in Comfast Cf-E7, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-02-20.
- How severe is CVE-2026-2824?
- Medium severity. CVSS v3 base score is 6.3 out of 10.