What is CVE-2019-12787?

CVE-2019-12787 is a high-severity vulnerability in Dlink Dir-818lw, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-06-10.

How severe is CVE-2019-12787?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Dlink Dir-818lw

CVE-2019-12787

An issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA. There is a command injection in HNAP1 SetWanSettings via an XML injection of the value of the Gateway key.

Vulnerability class: Command Injection (OS Command Injection)

Published 2019-06-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.029 (86.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Dlink Dir-818lw
Dlink Dir-818lw Firmware — versions 2.05.b03, 2.06b01

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/TeamSeri0us/pocs/blob/master/iot/dlink/dir818-2-protected.pdf (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-12787?: CVE-2019-12787 is a high-severity vulnerability in Dlink Dir-818lw, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-06-10.
How severe is CVE-2019-12787?: High severity. CVSS v3 base score is 8.8 out of 10.