CVE-2021-35033

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Summary

CVECVE-2021-35033
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-11-23 22:15:00 UTC
Updated2022-10-27 16:59:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-287

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Zyxel Nbg6818 - All All All
Operating System Zyxel Nbg6818 Firmware All All All All
Hardware Zyxel Nbg7815 - All All All
Operating System Zyxel Nbg7815 Firmware All All All All
Hardware Zyxel Wsq20 - All All All
Operating System Zyxel Wsq20 Firmware All All All All
Hardware Zyxel Wsq50 - All All All
Operating System Zyxel Wsq50 Firmware All All All All
Hardware Zyxel Wsq60 - All All All
Operating System Zyxel Wsq60 Firmware All All All All
Hardware Zyxel Wsr30 - All All All
Operating System Zyxel Wsr30 Firmware All All All All

References

ReferenceSourceLinkTags
Zyxel Routers and Home WiFi Systems - Unprotected Root Access via UART Using Default Password - Research Advisory | Tenable® MISC www.tenable.com
Zyxel security advisory for pre-configured password management vulnerability of home routers and WiFi systems | Zyxel CONFIRM www.zyxel.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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