Authentication Bypass in NETGEAR Routers
CVE-2022-27645

8.8HIGH

Key Information:

Vendor
Netgear
Status
R6700v3
Vendor
CVE Published:
29 March 2023

Summary

This vulnerability allows network-adjacent attackers to bypass authentication on impacted NETGEAR R6700v3 routers. Due to inadequate authentication checks within the 'readycloud_control.cgi' component, attackers can access sensitive functionalities without valid credentials. Exploiting this flaw could allow hostile entities to execute arbitrary code within the context of the root user, potentially compromising the router's integrity and the network it manages.

Affected Version(s)

R6700v3 1.0.4.120_10.0.91

References

https://www.zerodayinitiative.com/advisories/ZDI-22-522/
https://kb.netgear.com/000064722/Security-Advisory-for-Se...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Xin'an Zhou, Xiaochen Zou, Zhiyun Qian (from the team NullRiver)
.