CVE-2025-4140 Details
Description
A vulnerability, which was classified as critical, has been found in Netgear EX6120 1.0.3.94. Affected by this issue is the function sub_30394. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
A critical buffer overflow vulnerability has been identified in the Netgear EX6120 wireless range extender, specifically in version 1.0.3.94. The issue arises in the function sub_30394, where the manipulation of the 'host' argument can be exploited to cause a buffer overflow. This vulnerability can be exploited remotely, potentially leading to unauthorized memory access or code execution.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 2, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_30394-wifi_2g_onoff_sche/README.md | [email protected] | Exploit |
| https://vuldb.com/?ctiid.306632 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.306632 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.560788 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.netgear.com/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| netgear ex6120 firmware | 1.0.3.94 |
CPE
Remediation
| |
| netgear ex6120 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 12, 2025 | Initial Analysis | [email protected] |
| Apr 30, 2025 | New CVE Received | [email protected] |