High severity · published Feb 8, 2022
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,…
8.8
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wrh-300bk3 Firmware · Elecom
through 1.05 · source: NVD
WF
Wrh-300bk3-s Firmware · Elecom
through 1.05 · source: NVD
WF
Wrh-300dr3-s Firmware · Elecom
through 1.05 · source: NVD
WF
Wrh-300lb3-s Firmware · Elecom
through 1.05 · source: NVD
WF
Wrh-300pn3-s Firmware · Elecom
through 1.05 · source: NVD
WF
Wrh-300wh3 Firmware · Elecom
through 1.05 · source: NVD
WF
Wrh-300wh3-s Firmware · Elecom
through 1.05 · source: NVD
WF
Wrh-300yg3-s Firmware · Elecom
through 1.05 · source: NVD