{"cve":"CVE-2022-21173","nvd":{"published":"2022-02-08T11:15:07.873","modified":"2026-06-17T04:25:40.597","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["https://jvn.jp/en/jp/JVN17482543/index.html","https://www.elecom.co.jp/news/security/20220208-02/","https://jvn.jp/en/jp/JVN17482543/index.html","https://www.elecom.co.jp/news/security/20220208-02/"],"products":["elecom:wrh-300bk3-s_firmware","elecom:wrh-300bk3_firmware","elecom:wrh-300dr3-s_firmware","elecom:wrh-300lb3-s_firmware","elecom:wrh-300pn3-s_firmware","elecom:wrh-300wh3-s_firmware","elecom:wrh-300wh3_firmware","elecom:wrh-300yg3-s_firmware"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2022-21173","score":0.00447,"percentile":0.38859,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}