AUGUST 4, 2026
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Case File

CVE-2021-20141

HIGH · CVSS 8.8 EPSS 3.71%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-09 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It may be remotely exploitable.

CVE
CVE-2021-20141
Severity
HIGH
CVSS
8.8
EPSS
3.71%

Original NVD Description

An unauthenticated command injection vulnerability exists in the parameters of operation 32 in the controller_server service on Gryphon Tower routers. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the controller_server service on port 9999.

Related CVEs

Other vulnerabilities affecting the same vendor(s)