CVE-2021-34236

CRITICAL

Netgear R8000 Firmware v1.0.4.56 - Buffer Overflow via Long register_country Parameter

Title source: llm

Description

Buffer Overflow in Netgear R8000 Router with firmware v1.0.4.56 allows remote attackers to execute arbitrary code or cause a denial-of-service by sending a crafted POST to '/bd_genie_create_account.cgi' with a sufficiently long parameter 'register_country'.

References (2)

Core 2

Core References

Broken Link x_refsource_misc

https://github.com/Davidteeri/Bug-Report/blob/main/netgear-8000.md

Third Party Advisory

https://github.com/advisories/GHSA-vfq9-7wg3-4mjx

Scores

CVSS v3 9.8

EPSS 0.0119

EPSS Percentile 64.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-120

Status published

Products (1)

netgear/r8000_firmware 1.0.4.56

Published Sep 08, 2022

Tracked Since Feb 18, 2026