vulnerability
Yealink Device Management: CVE-2021-27561: Improper Neutralization of Special Elements used in an OS Command
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Oct 15, 2021 | Jul 8, 2025 | Jul 8, 2025 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Oct 15, 2021
Added
Jul 8, 2025
Modified
Jul 8, 2025
Description
Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.
Solution
yealink-device-management-upgrade-latest
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