CVE-2021-35033

Published on: 11/23/2021 12:00:00 AM UTC

Last Modified on: 12/01/2021 03:25:00 PM UTC

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Certain versions of Nbg6818 from Zyxel contain the following vulnerability:

A vulnerability in specific versions of Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60, and WSR30 firmware with pre-configured password management could allow an attacker to obtain root access of the device, if the local attacker dismantles the device and uses a USB-to-UART cable to connect the device, or if the remote assistance feature had been enabled by an authenticated user.

  • CVE-2021-35033 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.9 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
Zyxel security advisory for pre-configured password management vulnerability of home routers and WiFi systems | Zyxel www.zyxel.com
text/html
URL Logo CONFIRM www.zyxel.com/support/Zyxel_security_advisory_for_pre-configured_password_management_vulnerability_of_home_routers_and_WiFi_systems.shtml

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareZyxelNbg6818-AllAllAll
Operating
System
ZyxelNbg6818 FirmwareAllAllAllAll
HardwareZyxelNbg7815-AllAllAll
Operating
System
ZyxelNbg7815 FirmwareAllAllAllAll
HardwareZyxelWsq20-AllAllAll
Operating
System
ZyxelWsq20 FirmwareAllAllAllAll
HardwareZyxelWsq50-AllAllAll
Operating
System
ZyxelWsq50 FirmwareAllAllAllAll
HardwareZyxelWsq60-AllAllAll
Operating
System
ZyxelWsq60 FirmwareAllAllAllAll
HardwareZyxelWsr30-AllAllAll
Operating
System
ZyxelWsr30 FirmwareAllAllAllAll
  • cpe:2.3:h:zyxel:nbg6818:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:zyxel:nbg6818_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:zyxel:nbg7815:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:zyxel:nbg7815_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:zyxel:wsq20:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:zyxel:wsq20_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:zyxel:wsq50:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:zyxel:wsq50_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:zyxel:wsq60:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:zyxel:wsq60_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:zyxel:wsr30:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:zyxel:wsr30_firmware:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-35033 : A vulnerability in specific versions of Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60, and WSR30 fir… twitter.com/i/web/status/1… 2021-11-23 21:28:35
© CVE.report 2021 Twitter Nitter Twitter Viewer |

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