CVE-2023-43138: TP-Link Tl-ER5120G Firmware

High severity, CVSS 8.8. EPSS: 2.4% chance of exploitation in the next 30 days.

TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n has a command injection vulnerability, when an attacker adds NAPT rules after authentication, and the rule name has an injection point.

Affected products

• TP-Link Tl-ER5120G Firmware: version 2.0.0 only

Published 2023-09-20. Last modified 2026-06-17.