CVE-2022-27643 - CVE House
Back to Database
Status published High CVE-2022-27643

This vulnerability allows network-adjacent attackers to execute arbitrary code on...

Vulnerability Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SOAP requests. When parsing the SOAPAction header, the process does not properly validate the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15692.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-27643

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Stephen Fewer of Relyze Software Limited (www.relyze.com)

References

More from NETGEAR

View All →
CVE-2025-25246
NETGEAR XR1000 before 1.0.0.74, XR1000v2 before 1.1.0.22, and XR500 before...
High 8.1
CVE-2025-12946
Improper input validation in NETGEAR Nighthawk routers
Medium 4.4
CVE-2025-12945
Improper input validation in NETGEAR Nighthawk router R7000P
Low 1.1
CVE-2025-12944
Improper input validation in NETGEAR DGN2200v4
Medium 6.8
CVE-2025-12943
Improper certificate validation in firmware update logic in NETGEAR RAX30 and RAXE300
Medium 5.2

Affected Vendor

Affected Software

R6700v3
Vulnerable Versions:
1.0.4.120_10.0.91

Timeline

Official Publish: March 29th, 2023
Last Modified: February 18th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-120

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control