CVE-2020-27600

Name: CVE-2020-27600
Creator: NVD / NIST
Published: 2021-04-02T21:15:13.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 13.88%

Last modified Jun 17, 2026

CVE-2020-27600 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. HNAP1/control/SetMasterWLanSettings.php in D-Link D-Link Router DIR-846 DIR-846 A1_100.26 allows remote attackers to execute arbitrary commands via shell metacharacters in the ssid0 or ssid1 parameter.. EPSS estimates a 13.88% chance of exploitation in the next 30 days.

Description

HNAP1/control/SetMasterWLanSettings.php in D-Link D-Link Router DIR-846 DIR-846 A1_100.26 allows remote attackers to execute arbitrary commands via shell metacharacters in the ssid0 or ssid1 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

13.88%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Dlink	Dir-846 Firmware	a1_100.26

References

https://github.com/pwnninja/dlink/blob/main/DIR-846_SetMasterWLanSettingsCI.mdExploit, Third Party Advisory
https://www.dlink.comVendor Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://github.com/pwnninja/dlink/blob/main/DIR-846_SetMasterWLanSettingsCI.mdExploit, Third Party Advisory
https://www.dlink.comVendor Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

Timeline

Published: Apr 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27600?

How severe is CVE-2020-27600?

CVE-2020-27600 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 13.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27600?

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-2020-27600?

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

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Source: NVD / NIST