How severe is CVE-2022-31937?

CVE-2022-31937 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-2022-31937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31937?

CVE-2022-31937 affects Netgear Wnr2000v4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31937?

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-2022-31937 published?

CVE-2022-31937 was published on 2022-09-22 and last updated on 2026-06-17.

CVE-2022-31937

CVE-2022-31937 is a critical-severity vulnerability in Netgear Wnr2000v4 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Netgear Wnr2000v4 Firmware
Published: 2022-09-22
Last modified: 2026-06-17

Description

Netgear N300 wireless router wnr2000v4-V1.0.0.70 was discovered to contain a stack overflow via strcpy in uhttpd.

Frequently asked questions

What is CVE-2022-31937?: Netgear N300 wireless router wnr2000v4-V1.0.0.70 was discovered to contain a stack overflow via strcpy in uhttpd.
How severe is CVE-2022-31937?: CVE-2022-31937 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-2022-31937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31937?: CVE-2022-31937 affects Netgear Wnr2000v4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31937?: 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-2022-31937 published?: CVE-2022-31937 was published on 2022-09-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:netgear:wnr2000v4_firmware:1.0.0.70:*:*:*:*:*:*:*

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