PT-2026-8314 · Comfast · Comfast Cf-E4

Cha0Yang · Published 2026-02-16 · Updated 2026-02-16 · CVE-2026-2537

Positive Technologies · (AI Summary)

CVSS v2.0

5.8

5.8

Medium

Base vector

AV:N/AC:L/Au:M/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Comfast CF-E4 version 2.6.0.1

Description A flaw exists in Comfast CF-E4 that allows for remote command injection. The issue is located within the HTTP POST Request Handler component, specifically in the file

/cgi-bin/mbox-config?method=SET&section=ntp timezone

. Manipulation of the

timestr

argument can lead to unauthorized command execution. The exploit for this issue is publicly available. The vendor was contacted regarding this disclosure but did not provide a response.

Recommendations 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-2026-2537

Affected Products

Comfast Cf-E4

References · 7

• 🔥 https://github.com/cha0yang1/COMFAST/blob/main/RCE.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-2537 · Security Note
• https://t.me/cveNotify/152087 · Telegram Post
• https://vuldb.com/?ctiid.346125 · Note
• https://vuldb.com/?submit.749196 · Note
• https://vuldb.com/?id.346125 · Note
• https://t.me/CVEtracker/44792 · Telegram Post