CVE-2023-25087: Milesight UR32L Firmware

High severity, CVSS 7.2. EPSS: 1.5% chance of exploitation in the next 30 days.

Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 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 firewall_handler_set function with the index and to_dport variables.

Affected products

• Milesight UR32L Firmware: version 32.3.0.5 only

Published 2023-07-06. Last modified 2026-06-17.