CVE-2021-20711: Nec Aterm WG2600HS Firmware

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.

Affected products

• Nec Aterm WG2600HS Firmware: up to and including 1.5.1

Published 2021-04-26. Last modified 2026-06-17.