CVE-2020-13976

Name: CVE-2020-13976
Creator: NVD / NIST
Published: 2020-06-09T14:15:10.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.77%

Last modified Jun 17, 2026

CVE-2020-13976 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.77%

75.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Dd-Wrt	Dd-Wrt	<= 16214

References

https://svn.dd-wrt.com/ticket/7039Exploit, Vendor Advisory
https://svn.dd-wrt.com/ticket/7039Exploit, Vendor Advisory

Timeline

Published: Jun 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13976?

How severe is CVE-2020-13976?

CVE-2020-13976 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13976?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13976?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST