CVE-2025-4147: ex6200 Buffer Overflow — Exploit

Description

A vulnerability has been found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this vulnerability is the function sub_47F7C. The manipulation of the argument host leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
netgear	ex6200_firmware	All
netgear	ex6200	All

References

Exploits

https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_47F7C-media_name/README.md

Other References

https://vuldb.com/?ctiid.306679 https://vuldb.com/?id.306679 https://vuldb.com/?submit.560801 https://www.netgear.com/

Frequently Asked Questions

What is CVE-2025-4147? +

A vulnerability has been found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this vulnerability is the function sub_47F7C. The manipulation of the argument host leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-4147? +

CVE-2025-4147 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-4147? +

CVE-2025-4147 affects products from netgear, specifically: ex6200, ex6200_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4147? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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