What is CVE-2019-9123?

CVE-2019-9123 is a critical-severity vulnerability in Dlink Dir-825 Rev.b, classified under Weak Password Requirements. CVSS score: 9.8/10. Published 2019-02-25.

How severe is CVE-2019-9123?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Dlink Dir-825 Rev.b

CVE-2019-9123

An issue was discovered on D-Link DIR-825 Rev.B 2.10 devices. The "user" account has a blank password.

Published 2019-02-25 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.015 (73.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Dlink Dir-825 Rev.b
Dlink Dir-825 Rev.b Firmware — versions 2.10

Weakness classification (CWE)

CWE-521 — Weak Password Requirements

References

github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-825/Permission acce… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-9123?: CVE-2019-9123 is a critical-severity vulnerability in Dlink Dir-825 Rev.b, classified under Weak Password Requirements. CVSS score: 9.8/10. Published 2019-02-25.
How severe is CVE-2019-9123?: Critical severity. CVSS v3 base score is 9.8 out of 10.