CVE-2021-31505

MediumCVSS 6.8/10Last modified Jun 17, 2026

Description

This vulnerability allows attackers with physical access to escalate privileges on affected installations of Arlo Q Plus 1.9.0.3_278. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SSH service. The device can be booted into a special operation mode where hard-coded credentials are accepted for SSH authentication. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-12890.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-798

Affected software

No affected versions have been published.

Timeline

Published
Jun 29, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-31505: Medium severity, CVSS 6.8 | Vulnix