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VULNERABILITIES

CVE-2021-20132 Details

Description

Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the "admin" user, UID 0).

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-IDCWE NameSource
CWE-798Use of Hard-coded Credentials[email protected]

Affected Products

ProductVersions
dlink dir-2640-us firmware
<= 1.11b02

CPE

  • cpe:2.3:o:dlink:dir-2640-us_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
dlink dir-2640-us
All versions

CPE

  • cpe:2.3:h:dlink:dir-2640-us:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2021-20132
NVD Published Date:
Dec 30, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-20132 Details - Not Deferred