What is CVE-2022-22922?

CVE-2022-22922 is a critical-severity vulnerability in TP-Link Tl-Wa850re, classified under Use of Insufficiently Random Values. CVSS score: 9.8/10. Published 2022-02-18.

How severe is CVE-2022-22922?

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

Vulnerability in TP-Link Tl-Wa850re

CVE-2022-22922

TP-Link TL-WA850RE Wi-Fi Range Extender before v6_200923 was discovered to use highly predictable and easily detectable session keys, allowing attackers to gain administrative privileges.

Published 2022-02-18 · 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: 0.013 (69.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

TP-Link Tl-Wa850re — versions 6
TP-Link Tl-Wa850re Firmware

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

github.com/emremulazimoglu/cve/blob/main/CWE330-TL-WA850RE-v6.md (Exploit, Third Party Advisory, Issue Tracking)
www.tp-link.com/us/support/download/tl-wa850re/v6/ (Product, Vendor Advisory)

Frequently asked questions

What is CVE-2022-22922?: CVE-2022-22922 is a critical-severity vulnerability in TP-Link Tl-Wa850re, classified under Use of Insufficiently Random Values. CVSS score: 9.8/10. Published 2022-02-18.
How severe is CVE-2022-22922?: Critical severity. CVSS v3 base score is 9.8 out of 10.