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CVE-2020-27600: 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 parame...

CVE-2020-27600 · published 5 years ago

Summary

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.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
dlink	dir-846_firmware	a1_100.26 `cpe:2.3:o:dlink:dir-846_firmware:a1_100.26:::::::*`

Original advisory text

References

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

Fix within

Internet-facing 3 days

Internal 60 days

Not known to be exploited
Can be exploited automatically (estimated)
Gives an attacker full control (estimated)

Severity

9.8 Critical

Exploitation

14% chance of attack within 30 days

Type

CWE-78OS Command Injection

Timeline

Published2 Apr 2021

Updated22 Oct 2026

First seen29 Sep 2026

Sources

CVE-2020-27600 · NVD

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