CVE-2024-4244: w9 Stack Overflow (CVSS 8.8)

Description

A vulnerability classified as critical was found in Tenda W9 1.0.0.7(4456). Affected by this vulnerability is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-262135. NOTE: 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-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
tenda	w9_firmware	All
tenda	w9	All

References

Other References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W9/fromDhcpSetSer.md https://vuldb.com/?ctiid.262135 https://vuldb.com/?id.262135 https://vuldb.com/?submit.319826 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W9/fromDhcpSetSer.md https://vuldb.com/?ctiid.262135 https://vuldb.com/?id.262135 https://vuldb.com/?submit.319826

Frequently Asked Questions

What is CVE-2024-4244? +

A vulnerability classified as critical was found in Tenda W9 1.0.0.7(4456). Affected by this vulnerability is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-262135. NOTE: 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-2024-4244? +

CVE-2024-4244 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-2024-4244? +

CVE-2024-4244 affects products from tenda, specifically: w9, w9_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-4244? +

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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