CVE-2026-4377CWE-1391

Use of Weak Credentials in D-Link DWR-X1820 router

Medium · published May 28, 2026

CVSS v4.0
6.0
EPSS
0%
Percentile
9.2
In the wild
Unconfirmed
What it is

Dlink DWR-X1820 router uses weak default password generated from its IMEI number and does not require users to change it. An attacker who knows how passwords are generated can easily crack the default password if they have the device IMEI number.

This issue was fixed in version 1.00B16CP.

The record
Technical detail
CVSS v4.0
6.0 · MEDIUM
Vector
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00199 · 9.2th percentile
Weakness
CWE-1391 · Use of Weak Credentials
Published
2026-05-28T09:02Z
EPSS history
Timeline
  • 28 MAY 09:02Z
    Use of Weak Credentials in D-Link DWR-X1820 router
    cvelistv5