Cat 18 Digit Factory Password Generator Info

Assuming you have found a legitimate generator script (Python is safest), follow these steps:

For roughly 40% of Chinese-manufactured Cat 18 modules, the factory password follows this pattern:

Formula: P = (IMEI * 13) + 9876543210 (Truncated to 18 digits) Cat 18 Digit Factory Password Generator

Example:

You might ask, "Why not 16 or 20 digits?" Assuming you have found a legitimate generator script

The 18-digit factory password is typically a decimal representation of a 60-bit binary key.

Manufacturers chose 18 digits because it is long enough to resist automated bots but short enough for a technician to type manually into a USB console or a hidden telnet port. Furthermore, these codes are usually derived from the device’s IMEI (International Mobile Equipment Identity) or MAC address using a proprietary, non-public algorithm. Manufacturers chose 18 digits because it is long

Legit tool example (open source, offline):

Because industrial equipment is expensive to repair, a black market of "password generators" has emerged. These are cracked versions of the dealer algorithm, often written in Java or Python, that run offline.