CVE-2025-25524: x6000r Buffer Overflow (CVSS 5.1)

Description

Buffer overflow vulnerability in TOTOLink X6000R routers V9.4.0cu.652_B20230116 due to the lack of length verification, which is related to the addition of Wi-Fi filtering rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.

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CVSS v3.1 Score

5.1

MEDIUM

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

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
totolink	x6000r_firmware	All
totolink	x6000r	All

References

Other References

https://gist.github.com/XiaoCurry/ce1f80afd2d8be8ca543437f16eae96b

Frequently Asked Questions

What is CVE-2025-25524? +

Buffer overflow vulnerability in TOTOLink X6000R routers V9.4.0cu.652_B20230116 due to the lack of length verification, which is related to the addition of Wi-Fi filtering rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands. It has a CVSS v3.1 base score of 5.1 (MEDIUM).

How severe is CVE-2025-25524? +

CVE-2025-25524 has a CVSS v3.1 score of 5.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-25524? +

CVE-2025-25524 affects products from totolink, specifically: x6000r, x6000r_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-25524? +

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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