How severe is CVE-2022-22922?

CVE-2022-22922 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-22922 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22922?

CVE-2022-22922 affects Tp-link Tl-wa850re Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22922?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-22922 published?

CVE-2022-22922 was published on 2022-02-18 and last updated on 2026-06-17.

CVE-2022-22922

CVE-2022-22922 is a critical-severity vulnerability in Tp-link Tl-wa850re Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Tp-link Tl-wa850re Firmware
Published: 2022-02-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-22922?: CVE-2022-22922 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-22922 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22922?: CVE-2022-22922 affects Tp-link Tl-wa850re Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22922?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-22922 published?: CVE-2022-22922 was published on 2022-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tp-link:tl-wa850re_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Tl-wa850re Firmware

CVE-2018-12692 — High (CVSS 8.8): TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote authenticated users to execute arbitrary…
CVE-2025-14737 — High (CVSS 8.0): Command Injection vulnerability in TP-Link WA850RE (httpd modules) allows authenticated adjacent attacker to inject…
CVE-2025-14738 — High (CVSS 7.5): Improper authentication vulnerability in TP-Link WA850RE (httpd modules) allows unauthenticated attackers to download…
CVE-2018-12694 — High (CVSS 7.5): TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote attackers to cause a denial of service…
CVE-2018-12693 — Medium (CVSS 6.5): Stack-based buffer overflow in TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote…

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