// For flags

CVE-2022-27641

Netgear R6700v3 NetUSB Integer Overflow Remote Code Execution Vulnerability

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 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.

*Credits: trichimtrich and nyancat0131
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-03-22 CVE Reserved
  • 2022-03-29 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-09-08 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Netgear
Search vendor "Netgear"
D7800 Firmware
Search vendor "Netgear" for product "D7800 Firmware"
< 1.0.1.68
Search vendor "Netgear" for product "D7800 Firmware" and version " < 1.0.1.68"
-
Affected
in Netgear
Search vendor "Netgear"
D7800
Search vendor "Netgear" for product "D7800"
--
Safe
Netgear
Search vendor "Netgear"
Ex6200 Firmware
Search vendor "Netgear" for product "Ex6200 Firmware"
< 1.0.1.90
Search vendor "Netgear" for product "Ex6200 Firmware" and version " < 1.0.1.90"
-
Affected
in Netgear
Search vendor "Netgear"
Ex6200
Search vendor "Netgear" for product "Ex6200"
v2
Search vendor "Netgear" for product "Ex6200" and version "v2"
-
Safe
Netgear
Search vendor "Netgear"
Ex8000 Firmware
Search vendor "Netgear" for product "Ex8000 Firmware"
< 1.0.1.240
Search vendor "Netgear" for product "Ex8000 Firmware" and version " < 1.0.1.240"
-
Affected
in Netgear
Search vendor "Netgear"
Ex8000
Search vendor "Netgear" for product "Ex8000"
--
Safe
Netgear
Search vendor "Netgear"
R6220 Firmware
Search vendor "Netgear" for product "R6220 Firmware"
< 1.1.0.112
Search vendor "Netgear" for product "R6220 Firmware" and version " < 1.1.0.112"
-
Affected
in Netgear
Search vendor "Netgear"
R6220
Search vendor "Netgear" for product "R6220"
--
Safe
Netgear
Search vendor "Netgear"
R6230 Firmware
Search vendor "Netgear" for product "R6230 Firmware"
< 1.1.0.112
Search vendor "Netgear" for product "R6230 Firmware" and version " < 1.1.0.112"
-
Affected
in Netgear
Search vendor "Netgear"
R6230
Search vendor "Netgear" for product "R6230"
--
Safe
Netgear
Search vendor "Netgear"
R6400 Firmware
Search vendor "Netgear" for product "R6400 Firmware"
< 1.0.4.122
Search vendor "Netgear" for product "R6400 Firmware" and version " < 1.0.4.122"
-
Affected
in Netgear
Search vendor "Netgear"
R6400
Search vendor "Netgear" for product "R6400"
v2
Search vendor "Netgear" for product "R6400" and version "v2"
-
Safe
Netgear
Search vendor "Netgear"
R6700 Firmware
Search vendor "Netgear" for product "R6700 Firmware"
< 1.0.4.122
Search vendor "Netgear" for product "R6700 Firmware" and version " < 1.0.4.122"
-
Affected
in Netgear
Search vendor "Netgear"
R6700
Search vendor "Netgear" for product "R6700"
v3
Search vendor "Netgear" for product "R6700" and version "v3"
-
Safe
Netgear
Search vendor "Netgear"
R7000 Firmware
Search vendor "Netgear" for product "R7000 Firmware"
< 1.0.11.130
Search vendor "Netgear" for product "R7000 Firmware" and version " < 1.0.11.130"
-
Affected
in Netgear
Search vendor "Netgear"
R7000
Search vendor "Netgear" for product "R7000"
--
Safe
Netgear
Search vendor "Netgear"
R7800 Firmware
Search vendor "Netgear" for product "R7800 Firmware"
< 1.0.2.90
Search vendor "Netgear" for product "R7800 Firmware" and version " < 1.0.2.90"
-
Affected
in Netgear
Search vendor "Netgear"
R7800
Search vendor "Netgear" for product "R7800"
--
Safe