CVE-2023-25111

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

Description Multiple buffer overflow vulnerabilities exist in the vtysh ubus binary due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities. This buffer overflow occurs in the set gre function with the key variable.

Recommendations For Milesight UR32L version 32.3.0.5, consider disabling the set gre function until a patch is available to prevent exploitation of the buffer overflow vulnerability. Restrict access to the vtysh ubus binary to minimize the risk of exploitation. Avoid using the key variable in the affected function until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.