High severity · published Mar 29, 2023
CVE-2022-27641
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers
8.8
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D7800 Firmware · Netgear
before 1.0.1.68 · source: NVD
EF
Ex6200 Firmware · Netgear
before 1.0.1.90 · source: NVD
EF
Ex8000 Firmware · Netgear
before 1.0.1.240 · source: NVD
RF
R6220 Firmware · Netgear
before 1.1.0.112 · source: NVD
RF
R6230 Firmware · Netgear
before 1.1.0.112 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.4.122 · source: NVD
RF
R6700 Firmware · Netgear
before 1.0.4.122 · source: NVD
RF
R7000 Firmware · Netgear
before 1.0.11.130 · source: NVD
RF
R7800 Firmware · Netgear
before 1.0.2.90 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27641
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-27641
Vendor Advisory
https://kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0278
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-544/
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