Remote Code Execution Vulnerability in NETGEAR Router
CVE-2021-34978

8.8HIGH

Key Information:

Vendor
Netgear
Status
R6260
Vendor
CVE Published:
13 January 2022

Summary

A security flaw exists within the setupwizard.cgi page of NETGEAR R6260 routers that allows network-adjacent attackers to perform arbitrary code execution. The vulnerability can be exploited without authentication, leveraging a crafted SOAP request to trigger a stack-based buffer overflow. Successful exploitation permits attackers to execute code with root privileges, posing a significant risk to affected systems.

Affected Version(s)

R6260 1.1.0.78_1.0.1

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1240/
x_refsource_MISC
https://kb.netgear.com/000064258/Security-Advisory-for-Ve...
x_refsource_MISC

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sherman Chann Zhi Shen & Hoang Thach Nguyen (d4rkn3ss)
.