CVE-2025-12944

Unauthenticated adjacent-network code execution

Published Nov 11, 2025 · Updated Nov 11, 2025

Improper input validation in NETGEAR DGN2200v4 firmware 1.0.0.126 and earlier allows remote attackers to execute code from the local network. NETGEAR has not published the affected component, accepted input, or validation operation that enables code execution. Exploitation requires direct network access to the router; the published assessment reports no required authentication or user interaction.

CVSS severity8.8
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in NETGEAR DGN2200v4 firmware 1.0.0.126 and earlier allows remote attackers to execute code from the local network. NETGEAR has not published the affected component, accepted input, or validation operation that enables code execution. Exploitation requires direct network access to the router; the published assessment reports no required authentication or user interaction.

The record

CVE
CVE-2025-12944
Published
Nov 11, 2025
Updated
Nov 11, 2025
Vendor
NETGEAR
Product
N300 Wireless ADSL2+ Modem Router (DGN2200v4)
Classifications
CWE-20
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 11, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.0.0.126

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

NETGEAR · N300 Wireless ADSL2+ Modem Router (DGN2200v4)version=0 <=1.0.0.126

Published CVSS scores

8.8NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.8NETGEARCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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