RCE in Dlink Dir-846

CVE-2019-17509

D-Link DIR-846 devices with firmware 100A35 allow remote attackers to execute arbitrary OS commands as root by leveraging admin access and sending a /HNAP1/ request for SetMasterWLanSettings with shell metacharacters to /squashfs-root/www/HNAP1/control/SetMasterWLanSettings.php.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.035 (87.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-17509?
CVE-2019-17509 is a critical-severity vulnerability in Dlink Dir-846, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-10-11.
How severe is CVE-2019-17509?
Critical severity. CVSS v3 base score is 9.8 out of 10.