High severity8.8NVD Advisory· Published Feb 8, 2022· Updated Jun 17, 2026
CVE-2022-21173
CVE-2022-21173
Description
Hidden functionality vulnerability in ELECOM LAN routers (WRH-300BK3 firmware v1.05 and earlier, WRH-300WH3 firmware v1.05 and earlier, WRH-300BK3-S firmware v1.05 and earlier, WRH-300DR3-S firmware v1.05 and earlier, WRH-300LB3-S firmware v1.05 and earlier, WRH-300PN3-S firmware v1.05 and earlier, WRH-300WH3-S firmware v1.05 and earlier, and WRH-300YG3-S firmware v1.05 and earlier) allows an attacker on the adjacent network to execute an arbitrary OS command via unspecified vectors.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11- cpe:2.3:o:elecom:wrh-300bk3-s_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- cpe:2.3:o:elecom:wrh-300bk3_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- cpe:2.3:o:elecom:wrh-300dr3-s_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- cpe:2.3:o:elecom:wrh-300lb3-s_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- cpe:2.3:o:elecom:wrh-300pn3-s_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- cpe:2.3:o:elecom:wrh-300wh3-s_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- cpe:2.3:o:elecom:wrh-300wh3_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- cpe:2.3:o:elecom:wrh-300yg3-s_firmware:*:*:*:*:*:*:*:*Range: <=1.05
- Range: <=v1.05
- Range: <=v1.05
- ELECOM CO.,LTD./ELECOM LAN routersv5Range: WRH-300BK3 firmware v1.05 and earlier, WRH-300WH3 firmware v1.05 and earlier, WRH-300BK3-S firmware v1.05 and earlier, WRH-300DR3-S firmware v1.05 and earlier, WRH-300LB3-S firmware v1.05 and earlier, WRH-300PN3-S firmware v1.05 and earlier, WRH-300WH3-S firmware v1.05 and earlier, and WRH-300YG3-S firmware v1.05 and earlier
Patches
Vulnerability mechanics
References
2- jvn.jp/en/jp/JVN17482543/index.htmlnvdThird Party Advisory
- www.elecom.co.jp/news/security/20220208-02/nvdVendor Advisory
News mentions
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