CVE-2021-20738: Elecom Wrc-1167fs-B Firmware

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

WRC-1167FS-W, WRC-1167FS-B, and WRC-1167FSA all versions allow an unauthenticated network-adjacent attacker to obtain sensitive information via unspecified vectors.

Affected products

• Elecom Wrc-1167fs-B Firmware: any version
• Elecom Wrc-1167fs-W Firmware: any version
• Elecom Wrc-1167fsa Firmware: any version

Published 2021-07-07. Last modified 2026-06-17.