CVE-2020-35782 Information

Description

Certain NETGEAR devices are affected by lack of access control at the function level. This affects JGS516PE before 2.6.0.48 JGS524Ev2 before 2.6.0.48 JGS524PE before 2.6.0.48 and GS116Ev2 before 2.6.0.48. The TFTP firmware update mechanism does not properly implement firmware validations allowing remote attackers to write arbitrary data to internal memory.

CVSS Vector

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

Reference

https://kb.netgear.com/000062636/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0378 https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1