Medium severity5.4NVD Advisory· Published Dec 1, 2021· Updated Jun 17, 2026
CVE-2021-20855
CVE-2021-20855
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=v1.02.9
- ELECOM CO.,LTD./ELECOM LAN routersv5Range: WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior
Patches
Vulnerability mechanics
References
2- jvn.jp/en/jp/JVN88993473/index.htmlnvdThird Party Advisory
- www.elecom.co.jp/news/security/20211130-01/nvdVendor Advisory
News mentions
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