The Username field in the Storage Service settings of A1 WLAN Box ADB VV2220v2 devices allows stored XSS (after a successful Administrator login).
https://sku11army.blogspot.com/2020/01/a1-modem-wlan-box-adb-vv2220.html
Source: Mitre, NVD
Published: 2020-01-27
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 4.8
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.00235