How severe is CVE-2022-46422?

CVE-2022-46422 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-46422 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46422?

CVE-2022-46422 affects Netgear Wnr2000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-46422?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-46422 published?

CVE-2022-46422 was published on 2022-12-20 and last updated on 2026-06-17.

CVE-2022-46422

CVE-2022-46422 is a medium-severity vulnerability in Netgear Wnr2000 Firmware with a CVSS 3.x base score of 4.8. 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-345.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Netgear Wnr2000 Firmware
Published: 2022-12-20
Last modified: 2026-06-17

Description

An issue in Netgear WNR2000 v1 1.2.3.7 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.

Frequently asked questions

What is CVE-2022-46422?: An issue in Netgear WNR2000 v1 1.2.3.7 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.
How severe is CVE-2022-46422?: CVE-2022-46422 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-46422 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46422?: CVE-2022-46422 affects Netgear Wnr2000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-46422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-46422 published?: CVE-2022-46422 was published on 2022-12-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*

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