CVE-2021-35033
Last modified
CVE-2021-35033 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Nbg6818 Firmware | < 1.00\(absc.5\)c0 |
| Zyxel | Nbg7815 Firmware | < 1.00\(absk.7\)c0 |
| Zyxel | Wsq20 Firmware | < 1.00\(abof.11\)c0 |
| Zyxel | Wsq50 Firmware | < 2.20\(abkj.7\)c0 |
| Zyxel | Wsq60 Firmware | < 2.20\(abnd.8\)c0 |
| Zyxel | Wsr30 Firmware | < 1.00\(abmy.12\)c0 |
References
- https://www.tenable.com/security/research/tra-2022-06Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2022-06Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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