HOMEVULNERABILITIESCVE-2022-37234
HIGH

CVE-2022-37234

CWE-787Published: September 22, 2022· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-37234 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

netgear2 product(s)
r7000 firmwarer7000
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.netgear.com/about/security/
ADVISORYhttps://www.netgear.com/support/download/?model=R7000
ADVISORYhttps://www.netgear.com/about/security/
ADVISORYhttps://www.netgear.com/support/download/?model=R7000

All References (6)

→
https://github.com/Davidteeri/Bug-Report/blob/main/netgear-R7000-0x461bc-strncpy.mdBroken Link
→
https://www.netgear.com/about/security/Vendor Advisory
→
https://www.netgear.com/support/download/?model=R7000Product · Vendor Advisory
→
https://github.com/Davidteeri/Bug-Report/blob/main/netgear-R7000-0x461bc-strncpy.mdBroken Link
→
https://www.netgear.com/about/security/Vendor Advisory
→
https://www.netgear.com/support/download/?model=R7000Product · Vendor Advisory

Quick Facts

CVE IDCVE-2022-37234
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedSep 22, 2022

Related CVEs (CWE-787)

CVE-2019-6235
10.0
CVE-2018-3991
10.0
CVE-2026-42369
10.0
CVE-2009-2466
10.0
CVE-2026-4746
10.0
CVE-2019-5049
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-37234 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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