Vulnerability 256205 - CERT Civis.Net

Vulnerability Name:

CCN-256205

Published:

2023-05-23

Updated:

2023-05-23

Summary:

NETGEAR routers are vulnerable to a buffer overflow, caused by improper bounds checking. By sending a specially-crafted request, a local attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.

CVSS v3 Severity:

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

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

CVSS v2 Severity:

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Consequences:

Denial of Service

References:

Source: XF
Type: UNKNOWN
netgear-psv20230068-bo(256205)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2023-0068
Security Advisory for Post-authentication Buffer Overflow on Some Routers

Vulnerable Configuration:

Configuration CCN 1:

cpe:/h:netgear:r6700:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r7100lg:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r7300dst:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r8500:-:*:*:*:*:*:*:*

OR cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

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