9.8

CVE-2022-22922: tp-link tl-wa850re_firmware Use of Insufficiently Random Values

CVSS: 9.8v3.1CriticalModified
Published 18-02-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-22922 is a critical (CVSS 9.8) Use of Insufficiently Random Values vulnerability in tp-link tl-wa850re_firmware. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 18-02-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.32%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.32% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cve

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tp-link1 product

1 vendor · 1 product

References

2 links