CVE-2023-38865
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_4143F0. Attackers can send POST request messages to /usr/bin/webmgnt and inject commands into parameter timestr.
Risk Analysis
The COMFAST CF-XR11 router is vulnerable to command injection via the web management interface, allowing an attacker to execute arbitrary system commands. This critical flaw carries a CVSS score of 9.8 and is remotely exploitable without requiring user interaction or authentication.
No public exploit is currently known for this issue, and it is not tracked in the CISA KEV database.
Apply the latest firmware updates provided by the manufacturer. Restrict access to the device's web management interface to trusted internal networks only.
Technical Analysis
CVE-2023-38865 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-2023-38865 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts