CVE-2022-21173
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Affected
- elecom/wrh-300bk3 firmware · elecom/wrh-300wh3 firmware · elecom/wrh-300bk3-s firmware · elecom/wrh-300wh3-s firmware · elecom/wrh-300lb3-s firmware · elecom/wrh-300pn3-s firmware · elecom/wrh-300yg3-s firmware · elecom/wrh-300dr3-s firmware
- Source
- vultures@jpcert.or.jp
References
- https://jvn.jp/en/jp/JVN17482543/index.htmlThird Party Advisory
- https://www.elecom.co.jp/news/security/20220208-02/Vendor Advisory
- https://jvn.jp/en/jp/JVN17482543/index.htmlThird Party Advisory
- https://www.elecom.co.jp/news/security/20220208-02/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.