VulnerabilityModified
CVE-2020-8090
The Username field in the Storage Service settings of A1 WLAN Box ADB VV2220v2 devices allows stored XSS (after a successful Administrator login).
MEDIUM 4.8EPSS 0.63%
Does this matter?
Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own.
Description
The Username field in the Storage Service settings of A1 WLAN Box ADB VV2220v2 devices allows stored XSS (after a successful Administrator login).
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.63% probability · 50th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- a1/wlan box adb vv2220 firmware
- Source
- cve@mitre.org
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://sku11army.blogspot.com/2020/01/a1-modem-wlan-box-adb-vv2220.htmlExploit, Third Party Advisory
- https://sku11army.blogspot.com/2020/01/a1-modem-wlan-box-adb-vv2220.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.