8.8

CVE-2021-27254

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7800. Authentication is not required to exploit this vulnerability. The specific flaw exists within the apply_save.cgi endpoint. This issue results from the use of hard-coded encryption key. An attacker can leverage this vulnerability to execute arbitrary code in the context of root. Was ZDI-CAN-12287.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Netgear ≫ Br200 Firmware Version < 5.10.0.5
   Netgear ≫ Br200 Version -
Netgear ≫ Br500 Firmware Version < 5.10.0.5
   Netgear ≫ Br500 Version -
Netgear ≫ D7800 Firmware Version < 1.0.1.60
   Netgear ≫ D7800 Version -
Netgear ≫ Ex6100v2 Firmware Version < 1.0.1.98
   Netgear ≫ Ex6100v2 Version -
Netgear ≫ Ex6150v2 Firmware Version < 1.0.1.98
   Netgear ≫ Ex6150v2 Version -
Netgear ≫ Ex6250 Firmware Version < 1.0.0.134
   Netgear ≫ Ex6250 Version -
Netgear ≫ Ex6400 Firmware Version < 1.0.2.158
   Netgear ≫ Ex6400 Version -
Netgear ≫ Ex6400v2 Firmware Version < 1.0.0.134
   Netgear ≫ Ex6400v2 Version -
Netgear ≫ Ex6410 Firmware Version < 1.0.0.134
   Netgear ≫ Ex6410 Version -
Netgear ≫ Ex6420 Firmware Version < 1.0.0.134
   Netgear ≫ Ex6420 Version -
Netgear ≫ Ex7300 Firmware Version < 1.0.2.158
   Netgear ≫ Ex7300 Version -
Netgear ≫ Ex7300v2 Firmware Version < 1.0.0.134
   Netgear ≫ Ex7300v2 Version -
Netgear ≫ Ex7320 Firmware Version < 1.0.0.134
   Netgear ≫ Ex7320 Version -
Netgear ≫ Ex7700 Firmware Version < 1.0.0.216
   Netgear ≫ Ex7700 Version -
Netgear ≫ Ex8000 Firmware Version < 1.0.1.232
   Netgear ≫ Ex8000 Version -
Netgear ≫ Lbr20 Firmware Version < 2.6.3.50
   Netgear ≫ Lbr20 Version -
Netgear ≫ R7800 Firmware Version < 1.0.2.80
   Netgear ≫ R7800 Version -
Netgear ≫ R8900 Firmware Version < 1.0.5.28
   Netgear ≫ R8900 Version -
Netgear ≫ R9000 Firmware Version < 1.0.5.28
   Netgear ≫ R9000 Version -
Netgear ≫ Rbk12 Firmware Version < 2.7.2.104
   Netgear ≫ Rbk12 Version -
Netgear ≫ Rbk13 Firmware Version < 2.7.2.104
   Netgear ≫ Rbk13 Version -
Netgear ≫ Rbk14 Firmware Version < 2.7.2.104
   Netgear ≫ Rbk14 Version -
Netgear ≫ Rbk15 Firmware Version < 2.7.2.104
   Netgear ≫ Rbk15 Version -
Netgear ≫ Rbk20 Firmware Version < 2.6.2.104
   Netgear ≫ Rbk20 Version -
Netgear ≫ Rbk23 Firmware Version < 2.7.2.104
   Netgear ≫ Rbk23 Version -
Netgear ≫ Rbk40 Firmware Version < 2.6.2.104
   Netgear ≫ Rbk40 Version -
Netgear ≫ Rbk43 Firmware Version < 2.6.2.104
   Netgear ≫ Rbk43 Version -
Netgear ≫ Rbk43s Firmware Version < 2.6.2.104
   Netgear ≫ Rbk43s Version -
Netgear ≫ Rbk44 Firmware Version < 2.6.2.104
   Netgear ≫ Rbk44 Version -
Netgear ≫ Rbk50 Firmware Version < 2.7.2.104
   Netgear ≫ Rbk50 Version -
Netgear ≫ Rbk53 Firmware Version < 2.7.2.104
   Netgear ≫ Rbk53 Version -
Netgear ≫ Rbr10 Firmware Version < 2.6.2.104
   Netgear ≫ Rbr10 Version -
Netgear ≫ Rbr20 Firmware Version < 2.6.2.104
   Netgear ≫ Rbr20 Version -
Netgear ≫ Rbr40 Firmware Version < 2.6.2.104
   Netgear ≫ Rbr40 Version -
Netgear ≫ Rbr50 Firmware Version < 2.7.2.104
   Netgear ≫ Rbr50 Version -
Netgear ≫ Rbs10 Firmware Version < 2.6.2.104
   Netgear ≫ Rbs10 Version -
Netgear ≫ Rbs20 Firmware Version < 2.6.2.104
   Netgear ≫ Rbs20 Version -
Netgear ≫ Rbs40 Firmware Version < 2.6.2.104
   Netgear ≫ Rbs40 Version -
Netgear ≫ Rbs50 Firmware Version < 2.7.2.104
   Netgear ≫ Rbs50 Version -
Netgear ≫ Rbs50y Firmware Version < 2.6.2.104
   Netgear ≫ Rbs50y Version -
Netgear ≫ Xr450 Firmware Version < 2.3.2.114
   Netgear ≫ Xr450 Version -
Netgear ≫ Xr500 Firmware Version < 2.3.2.114
   Netgear ≫ Xr500 Version -
Netgear ≫ Xr700 Firmware Version < 1.0.1.38
   Netgear ≫ Xr700 Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.49% 0.38
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NIST 8.3 6.5 10
AV:A/AC:L/Au:N/C:C/I:C/A:C
Trend Micro 6.3 2.8 3.4
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-259 Use of Hard-coded Password

The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components.

CWE-798 Use of Hard-coded Credentials

The product contains hard-coded credentials, such as a password or cryptographic key.

https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders
Patch
Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-252/
Third Party Advisory
VDB Entry