What is CVE-2019-15527?

CVE-2019-15527 is a high-severity vulnerability in Dlink Dir-823g, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-08-23.

How severe is CVE-2019-15527?

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

RCE in Dlink Dir-823g

CVE-2019-15527

An issue was discovered on D-Link DIR-823G devices with firmware V1.0.2B05. There is a command injection in HNAP1 (exploitable with Authentication) via shell metacharacters in the MaxIdTime field to SetWanSettings.

Vulnerability class: Command Injection (OS Command Injection)

Published 2019-08-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.041 (90.5th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000

Affected products

Dlink Dir-823g
Dlink Dir-823g Firmware — versions 1.0.2b05

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/TeamSeri0us/pocs/blob/master/iot/dlink/823G-102B05-6.pdf (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-15527?: CVE-2019-15527 is a high-severity vulnerability in Dlink Dir-823g, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-08-23.
How severe is CVE-2019-15527?: High severity. CVSS v3 base score is 8.8 out of 10.