PT-2021-2392 · NetGear · Netgear Prosafe Plus Gs116Ev2+1

Published 2021-03-08 · Updated 2021-03-16 · CVE-2020-35232

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Netgear ProSafe Plus JGS516PE version 2.6.0.43 Netgear ProSAFE Plus GS116Ev2 version 2.6.0.43

Description: The issue is related to the implementation of the firmware update mechanism in Netgear devices, which lacks proper input validation. This allows a remote attacker to elevate their privileges and write arbitrary data to internal memory.

Recommendations: For Netgear ProSafe Plus JGS516PE version 2.6.0.43, update the firmware to a version that properly implements firmware validations. For Netgear ProSAFE Plus GS116Ev2 version 2.6.0.43, update the firmware to a version that properly implements firmware validations. As a temporary workaround, consider restricting access to the TFTP firmware update mechanism until a patch is available.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

BDU:2021-01634

CVE-2020-35232

Affected Products

Netgear Prosafe Plus Gs116Ev2

Netgear Prosafe Plus Jgs516Pe

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2020-35232 · Security Note
• https://bdu.fstec.ru/vul/2021-01634 · Security Note
• https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches · Note
• https://t.me/cybersecuritytechnologies/2861 · Telegram Post
• https://cxsecurity.com/cveshow/CVE-2020-35232 · Note
• https://t.me/cibsecurity/24737 · Telegram Post
• https://t.me/cvenotify/11129 · Telegram Post