What is CVE-2022-44202?

CVE-2022-44202 is a critical-severity vulnerability in Dlink Dir-878, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-11-22.

How severe is CVE-2022-44202?

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

Buffer overflow in Dlink Dir-878

CVE-2022-44202

D-Link DIR878 1.02B04 and 1.02B05 are vulnerable to Buffer Overflow.

Vulnerability class: Buffer Overflow

Published 2022-11-22 · 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: 0.012 (68.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.001

Affected products

Dlink Dir-878
Dlink Dir-878 Firmware — versions 1.02b04, 1.02b05

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.dlink.com/en/security-bulletin/ (Vendor Advisory)
github.com/RobinWang825/IoT_vuln/blob/main/D-Link/DIR-878/1/readme.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-44202?: CVE-2022-44202 is a critical-severity vulnerability in Dlink Dir-878, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-11-22.
How severe is CVE-2022-44202?: Critical severity. CVSS v3 base score is 9.8 out of 10.