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    CVE-2021-20709

    Improper validation of integrity check value vulnerability in NEC Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL.

    Published:Apr 26, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 26, 2021
    EPSS Score:0.00256
    CVSS Score:7.2

    Affected Products

    Vendor
    Nec
    Product
    Aterm Wf1200cr
    Vendor
    Nec
    Product
    Aterm Wf1200cr Firmware
    Vendor
    Nec
    Product
    Aterm Wg1200cr
    Vendor
    Nec
    Product
    Aterm Wg1200cr Firmware
    Vendor
    Nec
    Product
    Aterm Wg2600hs
    Vendor
    Nec
    Product
    Aterm Wg2600hs Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-4622 (CVSS 7.1) — OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary …
    CVE-2026-4621 (CVSS 6.3) — Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via …
    CVE-2026-4309 (CVSS 6.3) — Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific de…
    CVE-2021-20708 (CVSS 7.2) — NEC Aterm devices (Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier,…
    CVE-2018-16194 (CVSS 7.2) — Aterm WF1200CR and Aterm WG1200CR (Aterm WF1200CR firmware Ver1.1.1 and earlier, Aterm WG1200CR firmware Ver1.…
    CVE-2018-16193 (CVSS 5.4) — Cross-site scripting vulnerability in Aterm WF1200CR and Aterm WG1200CR (Aterm WF1200CR firmware Ver1.1.1 and …
    CVE-2018-16192 (CVSS 6.5) — Aterm WF1200CR and Aterm WG1200CR (Aterm WF1200CR firmware Ver1.1.1 and earlier, Aterm WG1200CR firmware Ver1.…
    CVE-2018-16195 (CVSS 8.8) — Aterm WF1200CR and Aterm WG1200CR (Aterm WF1200CR firmware Ver1.1.1 and earlier, Aterm WG1200CR firmware Ver1.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High