CVE-2024-36832: dap-1513 Null Dereference — Fix

Description

A NULL pointer dereference in D-Link DAP-1513 REVA_FIRMWARE_1.01 allows attackers to cause a Denial of Service (DoS) via a crafted web request without authentication. The vulnerability occurs in the /bin/webs binary of the firmware. When /bin/webs receives a carefully constructed HTTP request, it will crash and exit due to a null pointer reference, leading to a denial of service attack to the device.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
dlink	dap-1513_firmware	All
dlink	dap-1513	All

References

Advisories & Patches

https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10396

Other References

https://docs.google.com/document/d/1qTpwAg7B5E4mqkBzijjuoOWWnf3OE1HXIKBv7OcS8Mc/edit?usp=sharing https://www.dlink.com/en https://www.dlink.com/en/security-bulletin/

Frequently Asked Questions

What is CVE-2024-36832? +

A NULL pointer dereference in D-Link DAP-1513 REVA_FIRMWARE_1.01 allows attackers to cause a Denial of Service (DoS) via a crafted web request without authentication. The vulnerability occurs in the /bin/webs binary of the firmware. When /bin/webs receives a carefully constructed HTTP request, it will crash and exit due to a null pointer reference, leading to a denial of service attack to the device. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-36832? +

CVE-2024-36832 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-36832? +

CVE-2024-36832 affects products from dlink, specifically: dap-1513, dap-1513_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-36832? +

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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