D-Link DIR-816 A2 1.10CNB05_R1B011D88210 HTTP POST Request form2WlanBasicSetup.cgi access control

Summaryinfo

A vulnerability described as critical has been identified in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. This issue affects some unknown processing of the file form2WlanBasicSetup.cgi of the component HTTP POST Request Handler. The manipulation results in access control. This vulnerability is cataloged as CVE-2024-57676. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. It has been classified as critical. Affected is an unknown code block of the file form2WlanBasicSetup.cgi of the component HTTP POST Request Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An access control issue in the component form2WlanBasicSetup.cgi of D-Link 816A2_FWv1.10CNB05_R1B011D88210 allows unauthenticated attackers to set the 2.4G and 5G wlan service of the device via a crafted POST request.

The advisory is shared for download at dlink.com. This vulnerability is traded as CVE-2024-57676 since 01/09/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/29/2025). The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-53702). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-816 A2

Version

• 1.10CNB05_R1B011D88210

License

• commercial

Website

• Vendor: https://www.dlink.com/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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