PT-2026-20999 · Comfast · Comfast Cf-E7

Allanp0E · Published 2026-02-20 · Updated 2026-02-20 · CVE-2026-2823

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Comfast CF-E7 version 2.6.0.9

Description A command injection issue exists due to manipulation of the timestr argument in the sub 41ACCC function of the /cgi-bin/mbox-config?method=SET&section=ntp timezone file within the webmggnt component. This allows for remote execution of commands. The exploit is publicly available. The vendor was notified but did not respond.

Recommendations Versions prior to 2.6.0.9 are affected. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

CVE-2026-2823

Affected Products

Comfast Cf-E7

References · 8

• 🔥 https://github.com/jinhao118/cve/blob/main/ComFast%20Router_3.md · Exploit
• https://osv.dev/vulnerability/CVE-2026-2823 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2823 · Security Note
• https://vuldb.com/?id.346948 · Note
• https://t.me/cveNotify/152561 · Telegram Post
• https://t.me/CVEtracker/45255 · Telegram Post
• https://vuldb.com/?ctiid.346948 · Note
• https://vuldb.com/?submit.753871 · Note