Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-27641

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
29/03/2023
Last modified:
05/04/2023

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetUSB module. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15806.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
8.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* 1.0.1.68 (excluding)
cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:* 1.0.1.90 (excluding)
cpe:2.3:h:netgear:ex6200:v2:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:* 1.0.1.240 (excluding)
cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:* 1.1.0.112 (excluding)
cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:* 1.1.0.112 (excluding)
cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* 1.0.4.122 (excluding)
cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* 1.0.4.122 (excluding)
cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* 1.0.11.130 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools