CVE-2022-27646

8HIGH

Key Information

Vendor
Netgear
Status
R6700v3
Vendor
CVE Published:
29 March 2023

Summary

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the circled daemon. A crafted circleinfo.txt file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15879.

Affected Version(s)

R6700v3 = 1.0.4.120_10.0.91

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Risk change from: 8.8 to: 8 - (HIGH)

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database

Credit

Kevin Denis (@0xmitsurugi) and Antide Petit (@xarkes_) from @Synacktiv
.