What is CVE-2022-46642?

CVE-2022-46642 is a critical-severity vulnerability in Dlink Dir-846, classified under Command Injection. CVSS score: 9.9/10. Published 2022-12-23.

How severe is CVE-2022-46642?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Dlink Dir-846

CVE-2022-46642

D-Link DIR-846 A1_FW100A43 was discovered to contain a command injection vulnerability via the auto_upgrade_hour parameter in the SetAutoUpgradeInfo function.

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-12-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.031 (87.2th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000

Affected products

Dlink Dir-846 — versions a1
Dlink Dir-846 Firmware — versions 100a43

Weakness classification (CWE)

CWE-77 — Command Injection

References

www.dlink.com/en/security-bulletin/ (Vendor Advisory)
github.com/CyberUnicornIoT/IoTvuln/blob/main/d-link/dir-846/D-Link dir-846 SetA… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-46642?: CVE-2022-46642 is a critical-severity vulnerability in Dlink Dir-846, classified under Command Injection. CVSS score: 9.9/10. Published 2022-12-23.
How severe is CVE-2022-46642?: Critical severity. CVSS v3 base score is 9.9 out of 10.