Medium severity6.8NVD Advisory· Published Dec 1, 2021· Updated Jun 17, 2026
CVE-2021-20854
CVE-2021-20854
Description
ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute arbitrary OS commands via unspecified vectors.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:elecom:wrh-733gbk_firmware:*:*:*:*:*:*:*:*Range: <=1.02.9
- cpe:2.3:o:elecom:wrh-733gwh_firmware:*:*:*:*:*:*:*:*Range: <=1.02.9
- Range: WRH-733GBK firmware v1.02.9 and prior, WRH-733GWH firmware v1.02.9 and prior
- 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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