High severity · published Mar 29, 2023
CVE-2022-27642
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
This vulnerability allows network-adjacent attackers to bypass authentication 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 httpd service. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-15854.
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)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cax80 Firmware · Netgear
before 2.1.3.7 · source: NVD
LF
Lax20 Firmware · Netgear
before 1.1.6.34 · source: NVD
MF
Mr60 Firmware · Netgear
before 1.1.6.124 · source: NVD
MF
Mr80 Firmware · Netgear
before 1.1.6.14 · source: NVD
MF
Ms60 Firmware · Netgear
before 1.1.6.124 · source: NVD
MF
Ms80 Firmware · Netgear
before 1.1.6.14 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.1.78; before 1.0.4.126 · source: NVD
RF
R6700 Firmware · Netgear
before 1.0.4.126 · source: NVD
RF
R6900p Firmware · Netgear
before 1.3.3.148 · source: NVD
RF
R7000 Firmware · Netgear
before 1.0.11.134 · source: NVD
RF
R7000p Firmware · Netgear
before 1.3.3.148 · source: NVD
RF
R7100lg Firmware · Netgear
before 1.0.0.76 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27642
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-27642
Vendor Advisory
https://kb.netgear.com/000064723/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0327
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-518/
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