PT-2022-4913 · NetGear · Netgear Nighthawk Ac1900 Smart Wifi Dual Band Gigabit Router R7000

Published 2022-08-01 · Updated 2022-09-24 · CVE-2022-37235

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000 version 1.0.11.134 10.2.119

Description The issue is related to a buffer overflow vulnerability caused by the strncat function in the firmware of the Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000. This vulnerability can be exploited to cause a denial of service. The vulnerability is associated with the wl binary in the firmware.

Recommendations For Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000 version 1.0.11.134 10.2.119, consider disabling the wl binary as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2022-06082

CVE-2022-37235

Affected Products

Netgear Nighthawk Ac1900 Smart Wifi Dual Band Gigabit Router R7000

References · 9

• https://bdu.fstec.ru/vul/2022-06082 · Security Note
• https://netgear.com/about/security · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-37235 · Security Note
• https://osv.dev/vulnerability/CVE-2022-37235 · Vendor Advisory
• https://netgear.com/support/download/?model=R7000 · Vendor Advisory
• https://t.me/cibsecurity/50299 · Telegram Post
• https://t.me/cvenotify/36735 · Telegram Post
• ❌ https://github.com/Davidteeri/Bug-Report/blob/main/netgear-R7000-0x461bc.md · Note, Deleted
• https://vuldb.com/ru/?id.209353 · Note