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CVE-2026-4309

Missing Authorization Enables Unauthorized Retrieval and Modification on NEC Aterm Routers

Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Nec
CVE-2021-20712

Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Nec