What is CVE-2022-32284?

CVE-2022-32284 is a high-severity vulnerability in Yokogawa Aw810d, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2022-07-04.

How severe is CVE-2022-32284?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Yokogawa Aw810d

CVE-2022-32284

Use of insufficiently random values vulnerability exists in Vnet/IP communication module VI461 of YOKOGAWA Wide Area Communication Router (WAC Router) AW810D, which may allow a remote attacker to cause denial-of-service (DoS) condition by sending a specially crafted packet.

Published 2022-07-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.034 (88.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.034 · change: +0.001

Affected products

Yokogawa Aw810d
Yokogawa Aw810d Firmware
Yokogawa Electric Corporation Communication Module For Wide Area Router (For Aw810d) Vi461 — versions Vnet/IP firmware (F) R12 or earlier

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

web-material3.yokogawa.com/1/32825/files/YSAR-22-0005-E.pdf (Vendor Advisory)
web-material3.yokogawa.com/19/32825/files/YSAR-22-0005-J.pdf (Vendor Advisory)
jvn.jp/vu/JVNVU95343906/index.html (VDB Entry, Third Party Advisory)
www.cisa.gov/uscert/ics/advisories/icsa-22-181-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2022-32284?: CVE-2022-32284 is a high-severity vulnerability in Yokogawa Aw810d, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2022-07-04.
How severe is CVE-2022-32284?: High severity. CVSS v3 base score is 7.5 out of 10.