CVE-2020-17409 Information

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Description

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR R6120 R6080 R6260 R6220 R6020 JNR3210 and WNR2020 routers with firmware 1.0.66. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials leading to further compromise. Was ZDI-CAN-10754.

CVSS Vector

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

Reference

https://kb.netgear.com/000062304/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2020-0258 https://www.zerodayinitiative.com/advisories/ZDI-20-1176/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5