What is CVE-2022-44373?

CVE-2022-44373 is a high-severity vulnerability in Trendnet Tew-820ap, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-12-07.

How severe is CVE-2022-44373?

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

Buffer overflow in Trendnet Tew-820ap

CVE-2022-44373

A stack overflow vulnerability exists in TrendNet Wireless AC Easy-Upgrader TEW-820AP (Version v1.0R, firmware version 1.01.B01) which may result in remote code execution.

Vulnerability class: Buffer Overflow

Published 2022-12-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.4th percentile), scored 2026-10-01.

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: 0.014 · newest: 0.015 · change: +0.001

Affected products

Trendnet Tew-820ap — versions 1.0r
Trendnet Tew-820ap Firmware — versions 1.01.b01

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/johnawm/vulner-box/blob/master/TRENDNet/TEW-820AP/02/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-44373?: CVE-2022-44373 is a high-severity vulnerability in Trendnet Tew-820ap, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-12-07.
How severe is CVE-2022-44373?: High severity. CVSS v3 base score is 8.8 out of 10.