CVE-2021-20855

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CVSS 3.1

5.4 medium

EPSS

<1%p46

Published

Dec 1, 2021 (Dec 1, 2021)

Modified

Jun 17, 2026

Description

Cross-site scripting vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Vendors: elecom
Products: wrh-733gbk firmware, wrh-733gwh firmware
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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