PT-2023-26647 · Comfast · Comfast Cf-Xr11

Tty + 1 · Published 2023-08-15 · Updated 2023-08-22 · CVE-2023-38866

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 the function sub 415588. Attackers can send POST request messages to the /usr/bin/webmgnt endpoint and inject commands into the parameters interface and display name.

Recommendations For COMFAST CF-XR11 version 2.7.2, as a temporary workaround, consider restricting access to the /usr/bin/webmgnt endpoint to minimize the risk of exploitation. Avoid using the parameters interface and display name in the affected 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-2023-38866

Affected Products

Comfast Cf-Xr11

References · 7

• 🔥 https://github.com/TTY-flag/my_iot_vul/tree/main/COMFAST/CF-XR11/Command_Inject2 · Exploit
• https://osv.dev/vulnerability/CVE-2023-38866 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-38866 · Security Note
• https://twitter.com/TechFishNews/status/1691579190100025464 · Twitter Post
• https://twitter.com/CVEnew/status/1691528230652485632 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1691580178797879739 · Twitter Post
• https://t.me/cibsecurity/68605 · Telegram Post