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Critical severity9.8CISA KEVNVD Advisory· Published Oct 15, 2021· Updated Jun 17, 2026

CVE-2021-27561

CVE-2021-27561

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Yealink/Device Management2 versions
cpe:2.3:a:yealink:device_management:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:yealink:device_management:*:*:*:*:*:*:*:*range: <=3.6.0.20
- (no CPE)range: = 3.6.0.20
Yealink/Device Managementdescription

Patches

Vulnerability mechanics

References

2

ssd-disclosure.comnvdThird Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource

News mentions

0

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