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    CVE-2025-12944

    Improper input validation in NETGEAR DGN2200v4 (N300 Wireless ADSL2+ Modem Router) allows attackers with direct network access to the device to potentially execute code on the device. Please check the firmware version and update to the latest. Fixed in:  DGN2200v4 firmware 1.0.0.132 or later

    Published:Nov 11, 2025
    Last Modified:Feb 26, 2026
    EPS:Nov 11, 2025
    EPSS Score:0.0005
    CVSS Score:8.8

    Affected Products

    Vendor
    Netgear
    Product
    Dgn2200
    Vendor
    Netgear
    Product
    Dgn2200 Firmware
    Vendor
    Netgear
    Product
    Dgn2200v4

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-20 Improper Input Validation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-104 Cross Zone Scripting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-136 LDAP Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-153 Input Data Manipulation
    CAPEC-182 Flash Injection
    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-22 Exploiting Trust in Client
    CAPEC-23 File Content Injection
    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-261 Fuzzing for garnering other adjacent user/sensitive data
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-473 Signature Spoof
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-664 Server Side Request Forgery
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-81 Web Server Logs Tampering
    CAPEC-83 XPath Injection
    CAPEC-85 AJAX Footprinting
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2024-57046 (CVSS 8.8) — A vulnerability in the Netgear DGN2200 router with firmware version v1.0.0.46 and earlier permits unauthorized…
    CVE-2021-45550 (CVSS 6.6) — Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before …
    CVE-2021-38516 (CVSS 10) — Certain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 befor…
    CVE-2021-38534 (CVSS 4.1) — Certain NETGEAR devices are affected by stored XSS. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76,…
    CVE-2021-38514 (CVSS 2.4) — Certain NETGEAR devices are affected by authentication bypass. This affects D3600 before 1.0.0.72, D6000 befor…
    CVE-2020-35785 (CVSS 8.3) — NETGEAR DGN2200v1 devices before v1.0.0.60 mishandle HTTPd authentication (aka PSV-2020-0363, PSV-2020-0364, a…
    CVE-2017-18853 (CVSS 6.5) — Certain NETGEAR devices are affected by password recovery and file access. This affects D8500 1.0.3.27 and ear…
    CVE-2016-11059 (CVSS 7.5) — Certain NETGEAR devices are affected by password exposure. This affects AC1450 before 2017-01-06, C6300 before…
    CVE-2016-11054 (CVSS 7.2) — NETGEAR DGN2200v4 devices before 2017-01-06 are affected by command execution and an FTP insecure root directo…
    CVE-2018-21156 (CVSS 7.2) — Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before …

    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