PT-2020-17423 · NetGear · Netgear Jgs516Pe+3

Published 2020-12-29 · Updated 2021-03-26 · CVE-2020-35782

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR JGS516PE versions prior to 2.6.0.48 NETGEAR JGS524Ev2 versions prior to 2.6.0.48 NETGEAR JGS524PE versions prior to 2.6.0.48 NETGEAR GS116Ev2 versions prior to 2.6.0.48

Description The issue is related to a lack of access control at the function level in certain NETGEAR devices. This allows remote attackers to exploit the TFTP firmware update mechanism, which does not properly implement firmware validations, enabling them to write arbitrary data to internal memory.

Recommendations For NETGEAR JGS516PE versions prior to 2.6.0.48, update to version 2.6.0.48 or later. For NETGEAR JGS524Ev2 versions prior to 2.6.0.48, update to version 2.6.0.48 or later. For NETGEAR JGS524PE versions prior to 2.6.0.48, update to version 2.6.0.48 or later. For NETGEAR GS116Ev2 versions prior to 2.6.0.48, update to version 2.6.0.48 or later.

Exploit

Fix

Related Identifiers

CVE-2020-35782

Affected Products

Netgear Gs116Ev2

Netgear Jgs516Pe

Netgear Jgs524Ev2

Netgear Jgs524Pe

References · 6

• 🔥 https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches · Exploit
• https://kb.netgear.com/000062636/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0378 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-35782 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-35782 · Security Note
• https://t.me/cvenotify/8022 · Telegram Post
• https://t.me/cibsecurity/21405 · Telegram Post