Summaryinfo

A vulnerability classified as critical has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This affects the function loginauth. The manipulation of the argument http_host leads to buffer overflow. This vulnerability is uniquely identified as CVE-2024-42543. It is possible to initiate the attack remotely. There is no exploit available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been rated as critical. Affected by this issue is the function loginauth. The manipulation of the argument http_host with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the loginauth function.

The advisory is available at github.com. This vulnerability is handled as CVE-2024-42543 since 08/05/2024. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/13/2024).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• TOTOLINK

Name

• A3700R

Version

• 9.1.2u.5822_B20200513

License

• commercial

CPE 2.3info

• 🔒

CPE 2.2info

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