CVE-2018-20503: Alliedtelesis 8100l/8 Firmware

Medium severity, CVSS 6.1. EPSS: 3.9% chance of exploitation in the next 30 days.

Allied Telesis 8100L/8 devices allow XSS via the edit-ipv4_interface.php vlanid or subnet_mask parameter.

Affected products

Published 2019-05-07. Last modified 2026-06-17.