Multiple vulnerabilities in NETGEAR Routers
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Improper Authentication
EUVDB-ID: #VU49683
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-27872
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper state tracking in the password recovery process within the "mini_httpd" service. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAC2100: before 1.2.0.76
AC2400: before 1.2.0.76
AC2600: before 1.2.0.76
R6700v2: before 1.2.0.76
R6800: before 1.2.0.76
R6900v2: before 1.2.0.76
R7200: before 1.2.0.76
R7350: before 1.2.0.76
R7400: before 1.2.0.76
R7450: before 1.2.0.76
R6220: before 1.1.0.104
R6230: before 1.1.0.104
R6260: before 1.1.0.78
R6330: before 1.1.0.78
R6350: before 1.1.0.78
R6850: before 1.1.0.78
R6120: before 1.0.0.76
R6020: before 1.0.0.48
R6080: before 1.0.0.48
External linkshttp://www.zerodayinitiative.com/advisories/ZDI-21-071/
http://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Routers
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper Authentication
EUVDB-ID: #VU49686
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote administrator on the local network can bypass authentication process and gain unauthorized access to the application.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAC2100: before 1.2.0.76
AC2400: before 1.2.0.76
AC2600: before 1.2.0.76
R6700v2: before 1.2.0.76
R6800: before 1.2.0.76
R6900v2: before 1.2.0.76
R7200: before 1.2.0.76
R7350: before 1.2.0.76
R7400: before 1.2.0.76
R7450: before 1.2.0.76
R6220: before 1.1.0.104
R6230: before 1.1.0.104
R6260: before 1.1.0.78
R6330: before 1.1.0.78
R6350: before 1.1.0.78
R6850: before 1.1.0.78
R6120: before 1.0.0.76
R6020: before 1.0.0.48
R6080: before 1.0.0.48
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Improper Authentication
EUVDB-ID: #VU49685
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote administrator on the local network can bypass authentication process and gain unauthorized access to the application.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAC2100: before 1.2.0.76
AC2400: before 1.2.0.76
AC2600: before 1.2.0.76
R6700v2: before 1.2.0.76
R6800: before 1.2.0.76
R6900v2: before 1.2.0.76
R7200: before 1.2.0.76
R7350: before 1.2.0.76
R7400: before 1.2.0.76
R7450: before 1.2.0.76
R6220: before 1.1.0.104
R6230: before 1.1.0.104
R6260: before 1.1.0.78
R6330: before 1.1.0.78
R6350: before 1.1.0.78
R6850: before 1.1.0.78
R6120: before 1.0.0.76
R6020: before 1.0.0.48
R6080: before 1.0.0.48
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Improper access control
EUVDB-ID: #VU49684
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-27873
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper access restrictions within the SOAP API endpoint. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAC2100: before 1.2.0.76
AC2400: before 1.2.0.76
AC2600: before 1.2.0.76
R6700v2: before 1.2.0.76
R6800: before 1.2.0.76
R6900v2: before 1.2.0.76
R7200: before 1.2.0.76
R7350: before 1.2.0.76
R7400: before 1.2.0.76
R7450: before 1.2.0.76
R6220: before 1.1.0.104
R6230: before 1.1.0.104
R6260: before 1.1.0.78
R6330: before 1.1.0.78
R6350: before 1.1.0.78
R6850: before 1.1.0.78
R6120: before 1.0.0.76
R6020: before 1.0.0.48
R6080: before 1.0.0.48
External linkshttp://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Rou...
http://www.zerodayinitiative.com/advisories/ZDI-21-072/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
