CVE-2019-20488

Name: CVE-2019-20488
Creator: NVD / NIST
Published: 2020-03-02T16:15:12.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.12%

Last modified Jun 17, 2026

CVE-2019-20488 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple actions within the web management interface (setup.cgi) are vulnerable to command injection, allowing remote attackers to execute arbitrary commands, as demonstrated by shell metacharacters in the sysDNSHost parameter.. EPSS estimates a 2.12% chance of exploitation in the next 30 days.

Description

An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple actions within the web management interface (setup.cgi) are vulnerable to command injection, allowing remote attackers to execute arbitrary commands, as demonstrated by shell metacharacters in the sysDNSHost parameter.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.12%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Netgear	Wnr1000 Firmware	1.1.0.54

References

https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2019/august/the-netgear-wnr1000v4-round-2/Exploit, Third Party Advisory
https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2019/august/the-netgear-wnr1000v4-round-2/Exploit, Third Party Advisory

Timeline

Published: Mar 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20488?

How severe is CVE-2019-20488?

CVE-2019-20488 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.12% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20488?

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-2019-20488?

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

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Source: NVD / NIST