CVE-2023-38866
CWE-77Published: August 15, 2023· Updated: Jun 17, 2026
Official 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.
Risk Analysis
This vulnerability allows for command injection in the COMFAST CF-XR11 web management interface. With a CVSS score of 9.8, it is considered critical as it allows unauthenticated remote attackers to execute arbitrary commands.
There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog. It is remotely exploitable due to the network attack vector and low complexity.
Users should update the COMFAST CF-XR11 firmware to a version beyond 2.7.2. Ensure the device management interface is not exposed to the public internet.
Technical Analysis
CVE-2023-38866 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-77)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-38866 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts