PT-2022-10328 · NetGear · Netgear R8000 Router

Published 2022-09-07 · Updated 2022-09-12 · CVE-2021-34236

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Netgear R8000 Router version 1.0.4.56

Description A buffer overflow issue allows remote attackers to execute arbitrary code or cause a denial-of-service. This is achieved by sending a crafted POST to "/bd genie create account.cgi" with a sufficiently long register country parameter.

Recommendations For Netgear R8000 Router version 1.0.4.56, consider disabling access to the "/bd genie create account.cgi" endpoint until a patch is available. Restrict the length of the register country parameter to prevent exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-34236

GHSA-VFQ9-7WG3-4MJX

Affected Products

Netgear R8000 Router

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-34236 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34236 · Vendor Advisory
• https://github.com/advisories/GHSA-vfq9-7wg3-4mjx · Note
• ❌ https://github.com/Davidteeri/Bug-Report/blob/main/netgear-8000.md · Note, Deleted