Vulnerability 210057 - CERT Civis.Net

Vulnerability Name:

CCN-210057

Published:

2021-09-24

Updated:

2021-09-24

Summary:

NETGEAR routers are vulnerable to a buffer overflow, caused by improper bounds checking. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVSS v3 Severity:

8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Adjacent Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

8.3 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Adjacent_Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Consequences:

Gain Access

References:

Source: XF
Type: UNKNOWN
netgear-psv20210129-bo(210057)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2021-0129
Security Advisory for Pre-Authentication Buffer Overflow on Some Routers

Vulnerable Configuration:

Configuration CCN 1:

cpe:/h:netgear:r9000:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r7800:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:rax120:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:xr700:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r8900:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

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