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Vulnerability record · CVE-2022-22922 · published 18 February 2022

CVE-2022-22922: Tp-link tl-wa850re firmware vulnerability

Tp Link · Tl Wa850re Firmware

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.

9.8 CVSS 3.1 Critical EPSS 1.3% · top 30.2% CWE-330 · CWE-330
9.8CVSS 3.1 base score, v2 7.5
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/emremulazimoglu/cve/blob/main/CWE330-TL-WA850RE-v6.md ExploitIssue TrackingThird Party Advisory
https://www.tp-link.com/us/support/download/tl-wa850re/v6/#Firmware ProductVendor Advisory
https://github.com/emremulazimoglu/cve/blob/main/CWE330-TL-WA850RE-v6.md ExploitIssue TrackingThird Party Advisory
https://www.tp-link.com/us/support/download/tl-wa850re/v6/#Firmware ProductVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2018-12692Tp-link tl-wa850re firmware os command injection vulnerabilityTP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote authenticated users to execute arbitrary commands via shell metacharact…EPSS 29%7.5CVE-2018-12694Tp-link tl-wa850re firmware improper input validation vulnerabilityTP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote attackers to cause a denial of service (reboot) via data/reboot.json.EPSS 1.5%7.1CVE-2025-14737Tp-link tl-wa850re firmware os command injection vulnerabilityCommand Injection vulnerability in TP-Link WA850RE (httpd modules) allows authenticated adjacent attacker to inject arbitrary commands.This issue aff…EPSS 0.94%6.5CVE-2018-12693Tp-link tl-wa850re firmware out-of-bounds write vulnerabilityStack-based buffer overflow in TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote authenticated users to cause a denial of…EPSS 16%5.7CVE-2025-14738Tp-link tl-wa850re firmware improper authentication vulnerabilityImproper authentication vulnerability in TP-Link WA850RE (httpd modules) allows unauthenticated attackers to download the configuration file.This iss…EPSS 0.41%

Source: NIST National Vulnerability Database (record CVE-2022-22922), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.