CVE-2021-20711

9.8 criticalEPSS 1.4%

Critical (9.8) in nec aterm wg2600hs firmware. 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.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-04-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19