What is CVE-2022-37234?

CVE-2022-37234 is a high-severity vulnerability in NETGEAR R7000, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-09-22.

How severe is CVE-2022-37234?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-37234 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in NETGEAR R7000

CVE-2022-37234

Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119 is vulnerable to Buffer Overflow via the wl binary in firmware. There is a stack overflow vulnerability caused by strncpy.

Vulnerability class: Buffer Overflow

Published 2022-09-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.2th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

NETGEAR R7000
NETGEAR R7000 Firmware — versions 1.0.11.134_10.2.119

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

karimhabush/cyberowl

References

www.netgear.com/about/security/ (Vendor Advisory)
www.netgear.com/support/download/ (Product, Vendor Advisory)
github.com/Davidteeri/Bug-Report/blob/main/netgear-R7000-0x461bc-strncpy.md (Broken Link)

Frequently asked questions

What is CVE-2022-37234?: CVE-2022-37234 is a high-severity vulnerability in NETGEAR R7000, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-09-22.
How severe is CVE-2022-37234?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-37234 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.