CVE-2022-26997: Commscope Arris TR3300 Firmware

Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Arris TR3300 v1.0.13 was discovered to contain a command injection vulnerability in the upnp function via the upnp_ttl parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Affected products

• Commscope Arris TR3300 Firmware: version 1.0.13 only

Published 2022-03-15. Last modified 2026-06-17.