Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2021-03-05T20:15:12.317

Last Modified

2024-11-21T05:57:41.790

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

6.5

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-259
  • Type: Primary
    CWE-798
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear br200_firmware < 5.10.0.5 Yes
Hardware netgear br200 - No
Operating System netgear br500_firmware < 5.10.0.5 Yes
Hardware netgear br500 - No
Operating System netgear d7800_firmware < 1.0.1.60 Yes
Hardware netgear d7800 - No
Operating System netgear ex6100v2_firmware < 1.0.1.98 Yes
Hardware netgear ex6100v2 - No
Operating System netgear ex6150v2_firmware < 1.0.1.98 Yes
Hardware netgear ex6150v2 - No
Operating System netgear ex6250_firmware < 1.0.0.134 Yes
Hardware netgear ex6250 - No
Operating System netgear ex6400_firmware < 1.0.2.158 Yes
Hardware netgear ex6400 - No
Operating System netgear ex6400v2_firmware < 1.0.0.134 Yes
Hardware netgear ex6400v2 - No
Operating System netgear ex6410_firmware < 1.0.0.134 Yes
Hardware netgear ex6410 - No
Operating System netgear ex6420_firmware < 1.0.0.134 Yes
Hardware netgear ex6420 - No
Operating System netgear ex7300_firmware < 1.0.2.158 Yes
Hardware netgear ex7300 - No
Operating System netgear ex7300v2_firmware < 1.0.0.134 Yes
Hardware netgear ex7300v2 - No
Operating System netgear ex7320_firmware < 1.0.0.134 Yes
Hardware netgear ex7320 - No
Operating System netgear ex7700_firmware < 1.0.0.216 Yes
Hardware netgear ex7700 - No
Operating System netgear ex8000_firmware < 1.0.1.232 Yes
Hardware netgear ex8000 - No
Operating System netgear lbr20_firmware < 2.6.3.50 Yes
Hardware netgear lbr20 - No
Operating System netgear r7800_firmware < 1.0.2.80 Yes
Hardware netgear r7800 - No
Operating System netgear r8900_firmware < 1.0.5.28 Yes
Hardware netgear r8900 - No
Operating System netgear r9000_firmware < 1.0.5.28 Yes
Hardware netgear r9000 - No
Operating System netgear rbk12_firmware < 2.7.2.104 Yes
Hardware netgear rbk12 - No
Operating System netgear rbk13_firmware < 2.7.2.104 Yes
Hardware netgear rbk13 - No
Operating System netgear rbk14_firmware < 2.7.2.104 Yes
Hardware netgear rbk14 - No
Operating System netgear rbk15_firmware < 2.7.2.104 Yes
Hardware netgear rbk15 - No
Operating System netgear rbk20_firmware < 2.6.2.104 Yes
Hardware netgear rbk20 - No
Operating System netgear rbk23_firmware < 2.7.2.104 Yes
Hardware netgear rbk23 - No
Operating System netgear rbk40_firmware < 2.6.2.104 Yes
Hardware netgear rbk40 - No
Operating System netgear rbk43_firmware < 2.6.2.104 Yes
Hardware netgear rbk43 - No
Operating System netgear rbk43s_firmware < 2.6.2.104 Yes
Hardware netgear rbk43s - No
Operating System netgear rbk44_firmware < 2.6.2.104 Yes
Hardware netgear rbk44 - No
Operating System netgear rbk50_firmware < 2.7.2.104 Yes
Hardware netgear rbk50 - No
Operating System netgear rbk53_firmware < 2.7.2.104 Yes
Hardware netgear rbk53 - No
Operating System netgear rbr10_firmware < 2.6.2.104 Yes
Hardware netgear rbr10 - No
Operating System netgear rbr20_firmware < 2.6.2.104 Yes
Hardware netgear rbr20 - No
Operating System netgear rbr40_firmware < 2.6.2.104 Yes
Hardware netgear rbr40 - No
Operating System netgear rbr50_firmware < 2.7.2.104 Yes
Hardware netgear rbr50 - No
Operating System netgear rbs10_firmware < 2.6.2.104 Yes
Hardware netgear rbs10 - No
Operating System netgear rbs20_firmware < 2.6.2.104 Yes
Hardware netgear rbs20 - No
Operating System netgear rbs40_firmware < 2.6.2.104 Yes
Hardware netgear rbs40 - No
Operating System netgear rbs50_firmware < 2.7.2.104 Yes
Hardware netgear rbs50 - No
Operating System netgear rbs50y_firmware < 2.6.2.104 Yes
Hardware netgear rbs50y - No
Operating System netgear xr450_firmware < 2.3.2.114 Yes
Hardware netgear xr450 - No
Operating System netgear xr500_firmware < 2.3.2.114 Yes
Hardware netgear xr500 - No
Operating System netgear xr700_firmware < 1.0.1.38 Yes
Hardware netgear xr700 - No
References