PT-2023-26646 · Comfast · Comfast Cf-Xr11

Tty + 1 · Published 2023-08-15 · Updated 2023-08-22 · CVE-2023-38865

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions COMFAST CF-XR11 version 2.7.2

Description The issue is a command injection vulnerability detected at function sub 4143F0. Attackers can send POST request messages to "/usr/bin/webmgnt" and inject commands into parameter timestr.

Recommendations For COMFAST CF-XR11 version 2.7.2, as a temporary workaround, consider restricting access to the "/usr/bin/webmgnt" endpoint until a patch is available. Avoid using the parameter timestr in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2023-38865

Affected Products

Comfast Cf-Xr11

References · 8

• 🔥 https://github.com/TTY-flag/my_iot_vul/tree/main/COMFAST/CF-XR11/Command_Inject5 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-38865 · Security Note
• https://osv.dev/vulnerability/CVE-2023-38865 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1691549935454278089 · Twitter Post
• https://t.me/cibsecurity/68567 · Telegram Post
• https://t.me/cvenotify/56542 · Telegram Post
• https://t.me/cvenotify/56535 · Telegram Post
• https://twitter.com/CVEnew/status/1691528229415194624 · Twitter Post