CVE-2023-38866

Name: CVE-2023-38866
Creator: NVD / NIST
Published: 2023-08-15T20:15:11.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.09%

Last modified Jun 17, 2026

CVE-2023-38866 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. COMFAST CF-XR11 V2.7.2 has a command injection vulnerability detected at function sub_415588. Attackers can send POST request messages to /usr/bin/webmgnt and inject commands into parameter interface and display_name.. EPSS estimates a 2.09% chance of exploitation in the next 30 days.

Description

COMFAST CF-XR11 V2.7.2 has a command injection vulnerability detected at function sub_415588. Attackers can send POST request messages to /usr/bin/webmgnt and inject commands into parameter interface and display_name.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.09%

79.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Comfast	Cf-Xr11 Firmware	2.7.2

References

https://github.com/TTY-flag/my_iot_vul/tree/main/COMFAST/CF-XR11/Command_Inject2Exploit, Third Party Advisory
https://github.com/TTY-flag/my_iot_vul/tree/main/COMFAST/CF-XR11/Command_Inject2Exploit, Third Party Advisory

Timeline

Published: Aug 15, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38866?

How severe is CVE-2023-38866?

CVE-2023-38866 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.09% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38866?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38866?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST