Buffer Overflow Vulnerability in Netgear JWNR2000v2 Router
CVE-2025-4120

8.7HIGH

Key Information:

Vendor

Netgear
Status
Jwnr2000v2
Vendor
CVE Published:
30 April 2025

What is CVE-2025-4120?

A buffer overflow vulnerability has been identified in the Netgear JWNR2000v2 router, specifically affecting the sub_4238E8 function. This security flaw allows an attacker to manipulate the argument host, potentially enabling remote exploitation. Such vulnerabilities can lead to unauthorized access and compromise network integrity. Despite early disclosure attempts to the vendor, no response was received.

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Deploy the Patch

Affected Version(s)

JWNR2000v2 1.0.0.11

References

https://vuldb.com/?id.306600
vdb-entrytechnical-description
https://vuldb.com/?ctiid.306600
signaturepermissions-required
https://vuldb.com/?submit.560774
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

yummysoup2 (VulDB User)
JSON
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