CVE-2022-27641
HIGHNETGEAR R6700v3 < 1.0.4.122 - Unauthenticated Remote Code Execution via NetUSB Integer Overflow
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory
https://kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0278
Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-544/
Scores
CVSS v3
8.8
EPSS
0.0082
EPSS Percentile
74.6%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-190
Status
published
Products (9)
netgear/d7800_firmware
< 1.0.1.68
netgear/ex6200_firmware
< 1.0.1.90
netgear/ex8000_firmware
< 1.0.1.240
netgear/r6220_firmware
< 1.1.0.112
netgear/r6230_firmware
< 1.1.0.112
netgear/r6400_firmware
< 1.0.4.122
netgear/r6700_firmware
< 1.0.4.122
netgear/r7000_firmware
< 1.0.11.130
netgear/r7800_firmware
< 1.0.2.90
Published
Mar 29, 2023
Tracked Since
Feb 18, 2026