Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2021-27255

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the refresh_status.aspx endpoint. The issue results from a lack of authentication required to start a service on the server. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12360.

  • Published: Mar 5, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-27255
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 8.3
  • AV:A/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
netgear / br200_firmware - 5.10.0.5
netgear / br500_firmware - 5.10.0.5
netgear / d7800_firmware - 1.0.1.60
netgear / ex6100v2_firmware - 1.0.1.98
netgear / ex6150v2_firmware - 1.0.1.98
netgear / ex6250_firmware - 1.0.0.134
netgear / ex6400_firmware - 1.0.2.158
netgear / ex6400v2_firmware - 1.0.0.134
netgear / ex6410_firmware - 1.0.0.134
netgear / ex6420_firmware - 1.0.0.134
netgear / ex7300_firmware - 1.0.2.158
netgear / ex7300v2_firmware - 1.0.0.134
netgear / ex7320_firmware - 1.0.0.134
netgear / ex7700_firmware - 1.0.0.216
netgear / ex8000_firmware - 1.0.1.232
netgear / lbr20_firmware - 2.6.3.50
netgear / r7800_firmware - 1.0.2.80
netgear / r8900_firmware - 1.0.5.28
netgear / r9000_firmware - 1.0.5.28
netgear / rbk12_firmware - 2.7.2.104
netgear / rbk13_firmware - 2.7.2.104
netgear / rbk14_firmware - 2.7.2.104
netgear / rbk15_firmware - 2.7.2.104
netgear / rbk20_firmware - 2.6.2.104
netgear / rbk23_firmware - 2.7.2.104
netgear / rbk40_firmware - 2.6.2.104
netgear / rbk43_firmware - 2.6.2.104
netgear / rbk43s_firmware - 2.6.2.104
netgear / rbk44_firmware - 2.6.2.104
netgear / rbk50_firmware - 2.7.2.104
netgear / rbk53_firmware - 2.7.2.104
netgear / rbr10_firmware - 2.6.2.104
netgear / rbr20_firmware - 2.6.2.104
netgear / rbr40_firmware - 2.6.2.104
netgear / rbr50_firmware - 2.7.2.104
netgear / rbs10_firmware - 2.6.2.104
netgear / rbs20_firmware - 2.6.2.104
netgear / rbs40_firmware - 2.6.2.104
netgear / rbs50_firmware - 2.7.2.104
netgear / rbs50y_firmware - 2.6.2.104
netgear / xr450_firmware - 2.3.2.114
netgear / xr500_firmware - 2.3.2.114
netgear / xr700_firmware - 1.0.1.38