CVE-2021-20143

High

Description

An unauthenticated command injection vulnerability exists in the parameters of operation 48 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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductGryphonconnect Gryphon Tower Firmware
PublishedDec 9, 2021
First seenDec 9, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
gryphonconnect gryphon_tower_firmwarev ≤ 04.0004.12—

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CVE-2021-20143 · Gryphonconnect Gryphon Tower Firmware · Dark Radar