Buffer Overflow Vulnerability in Netgear R8000 Router
CVE-2021-34236

9.8CRITICAL

Key Information:

Vendor

Netgear
Status
R8000 Firmware
Vendor
CVE Published:
8 September 2022

What is CVE-2021-34236?

A buffer overflow vulnerability exists in the Netgear R8000 Router, specifically in firmware version 1.0.4.56. This flaw allows remote attackers to exploit the router by sending a specially crafted POST request to the '/bd_genie_create_account.cgi' endpoint, using an excessively long 'register_country' parameter. Successful exploitation could lead to remote code execution or a denial-of-service condition, posing serious risks to network security.

References

https://github.com/Davidteeri/Bug-Report/blob/main/netgea...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.