CVE-2026-4377mediumCWE-1391

CVE-2026-4377: medium-severity vulnerability in D-Link Corporation DWR-X1820

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

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6epss 0.1%
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.
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
Affected products
D-Link Corporation · DWR-X1820