Cisco Cucm Hacking -- Github -

A quick search on GitHub reveals some interesting projects and repositories related to CUCM hacking:

Place CUCM servers and voice gateways into a dedicated Management VLAN. Place IP phones into a separate Voice VLAN. Cisco CUCM hacking -- GitHub

Disclaimer: These tools should only be used on systems you own or have explicit permission to test. A quick search on GitHub reveals some interesting

cucm-creds , AXL-SQL-injection

Another critical vulnerability, tracked as CVE‑2025‑20309, involves the presence of static, hardcoded root credentials reserved for development use in certain Cisco Unified CM Engineering Special (ES) releases. These credentials cannot be changed or deleted. An unauthenticated, remote attacker can use them to log in to an affected system and execute arbitrary commands with full root privileges. Cisco has since removed the backdoor account in fixed releases, but administrators must verify that no vulnerable ES releases remain in their environment. A key indicator of compromise (IoC) is a successful SSH login by the root user, which appears in /var/log/active/syslog/secure . Cisco has since removed the backdoor account in

The most effective defense against CUCM targeting is strict network isolation.