CVSS 3.1
8.8 highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-20739
High (8.8) in elecom. EPSS 0.5% chance of exploitation in the next 30 days.
WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S, and WRH-300WH-S all versions allows an unauthenticated network-adjacent attacker to execute an arbitrary OS command via unspecified vectors.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
- CWE
- CWE-78
- Published
- Modified
- Record from
- the NVD, synced
Affected
- elecom:wrc-300febk_firmware
- elecom:wrc-733febk_firmware
- elecom:wrc-f300nf_firmware
- elecom:wrh-300bk-s_firmware
- elecom:wrh-300bk_firmware
- elecom:wrh-300rd_firmware
- elecom:wrh-300sv_firmware
- elecom:wrh-300wh-s_firmware
- elecom:wrh-300wh_firmware
- elecom:wrh-h300bk_firmware
- elecom:wrh-h300wh_firmware