CVE-2023-25083

Name of the Vulnerable Software and Affected Versions Milesight UR32L version 32.3.0.5

Description The issue is caused by a buffer overflow vulnerability in the firewall handler set function, allowing a remote attacker to execute arbitrary code. This occurs due to the use of an unsafe sprintf pattern in the vtysh ubus binary. A specially crafted HTTP request can trigger this vulnerability, which involves the ip and mac variables.

Recommendations For Milesight UR32L version 32.3.0.5, consider disabling the firewall handler set function until a patch is available to prevent exploitation. Restrict access to the vtysh ubus binary to minimize the risk of arbitrary code execution. Avoid using the ip and mac variables in the affected HTTP requests until the issue is resolved.