CVE-2021-40859

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Backdoors were discovered in Auerswald COMpact 5500R 7.8A and 8.0B devices, that allow attackers with access to the web based management application full administrative access to the device.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Dec 7, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-40859: Critical severity, CVSS 9.8 | Vulnix