CVE-2021-20856

MediumCVSS 5.4/10Last 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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
ELECOM CO.,LTD.ELECOM LAN routersWRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior

References

Timeline

Published
Dec 1, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-20856: Medium severity, CVSS 5.4 | Vulnix