Nec Aterm Wg2600hs Firmware — known CVE vulnerabilities

Every CVE whose affected-product data names Nec Aterm Wg2600hs Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (11)

• CVE-2021-20711 — CVSS 9.8 (critical): Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.
• CVE-2026-4622 — CVSS 9.8 (critical): OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.
• CVE-2020-5524 — CVSS 8.8 (high): Aterm series (Aterm WF1200C firmware Ver1.2.1 and earlier, Aterm WG1200CR firmware Ver1.2.1 and earlier, Aterm WG2600HS firmware Ver1.3.2…
• CVE-2020-5534 — CVSS 8.0 (high): Aterm WG2600HS firmware Ver1.3.2 and earlier allows an authenticated attacker on the same network segment to execute arbitrary OS commands…
• CVE-2020-5525 — CVSS 8.0 (high): Aterm series (Aterm WF1200C firmware Ver1.2.1 and earlier, Aterm WG1200CR firmware Ver1.2.1 and earlier, Aterm WG2600HS firmware Ver1.3.2…
• CVE-2021-20709 — CVSS 7.2 (high): Improper validation of integrity check value vulnerability in NEC Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware…
• CVE-2021-20708 — CVSS 7.2 (high): NEC Aterm devices (Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware…
• CVE-2026-4309 — CVSS 6.5 (medium): Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change…
• CVE-2020-5533 — CVSS 6.1 (medium): Cross-site scripting vulnerability in Aterm WG2600HS firmware Ver1.3.2 and earlier allows remote attackers to inject arbitrary web script…
• CVE-2026-4621 — CVSS 5.6 (medium): Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via network.
• CVE-2021-20712 — CVSS 5.3 (medium): Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier…