CVE-2025-4145Network attack vector

Memory corruption via unchecked host parameter

Published May 1, 2025 · Updated May 1, 2025

Buffer overflow in NETGEAR EX6200 firmware 1.0.3.94 allows remote authenticated users to corrupt memory via the host parameter. In sub_3D0BC, processing the attacker-controlled host value writes beyond a destination buffer; public material does not identify the copy primitive. Low-privileged access to the network management interface is required, but published material does not distinguish a crash from code execution.

CVSS severity9.8
Critical
EPSS probability1.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in NETGEAR EX6200 firmware 1.0.3.94 allows remote authenticated users to corrupt memory via the host parameter. In sub_3D0BC, processing the attacker-controlled host value writes beyond a destination buffer; public material does not identify the copy primitive. Low-privileged access to the network management interface is required, but published material does not distinguish a crash from code execution.

The record

CVE
CVE-2025-4145
Published
May 1, 2025
Updated
May 1, 2025
Vendor
NETGEAR
Product
AC1200 Dual Band WiFi Range Extender (EX6200)
Classifications
CWE-120, CWE-119, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 1, 2025CVE publishedPublication date reported by the CVE source.
  2. May 1, 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=1.0.3.94

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

NETGEAR · AC1200 Dual Band WiFi Range Extender (EX6200)version=1.0.3.94

Published CVSS scores

8.7VulDB CNACVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8VulDB CNACVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.0VulDB CNAAV:N/AC:L/Au:S/C:C/I:C/A:C
8.8VulDB CNACVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1190Exploit Public-Facing Application

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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