Is CVE-2020-13976 actively exploited?

No active exploitation of CVE-2020-13976 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-13976 be exploited remotely?

Yes. CVE-2020-13976 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-13976?

CVE-2020-13976 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2020-13976

CWE-78Published: June 9, 2020· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

An issue was discovered in DD-WRT through 16214. The Diagnostic page allows remote attackers to execute arbitrary commands via shell metacharacters in the host field of the ping command. Exploitation through CSRF might be possible. NOTE: software maintainers consider the report invalid because it refers to an old software version, requires administrative privileges, and does not provide access beyond that already available to administrative users

NVD Source

Technical Analysis

CVE-2020-13976 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.