D Link · Dwr-X1820 · CVE-2026-4377
**Name of the Vulnerable Software and Affected Versions**
Dlink DWR-X1820 versions prior to 1.00B16CP
**Description**
The router uses a weak default password generated from the device IMEI number and does not mandate a password change upon setup. An attacker with knowledge of the generation algorithm and access to the device IMEI number can easily crack the default password.
**Recommendations**
Update to version 1.00B16CP.