What is CVE-2022-29322?

CVE-2022-29322 is a critical-severity vulnerability in Dlink Dir-816, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-05-10.

How severe is CVE-2022-29322?

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

Buffer overflow in Dlink Dir-816

CVE-2022-29322

D-Link DIR-816 A2_v1.10CNB04 was discovered to contain a stack overflow via the IPADDR and nvmacaddr parameters in /goform/form2Dhcpip.

Vulnerability class: Buffer Overflow

Published 2022-05-10 · 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: 0.169 (97.0th percentile), scored 2026-10-03.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.169 · newest: 0.169 · change: 0.000

Affected products

Dlink Dir-816 — versions a2
Dlink Dir-816 Firmware — versions 1.10cnb04

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.dlink.com/en/security-bulletin/ (Vendor Advisory)
github.com/EPhaha/IOT_vuln/tree/main/d-link/dir-816/5 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-29322?: CVE-2022-29322 is a critical-severity vulnerability in Dlink Dir-816, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-05-10.
How severe is CVE-2022-29322?: Critical severity. CVSS v3 base score is 9.8 out of 10.