AUGUST 4, 2026
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Case File

CVE-2021-20138

HIGH · CVSS 8.8 EPSS 3.70%

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

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-20138
Severity
HIGH
CVSS
8.8
EPSS
3.70%

Original NVD Description

An unauthenticated command injection vulnerability exists in multiple parameters in the Gryphon Tower router’s web interface at /cgi-bin/luci/rc. 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 web interface.