ZerBea hcxtools 7.0.1-43-g getradiotapfield buffer overflow

Summaryinfo

A vulnerability marked as critical has been reported in ZerBea hcxtools 7.0.1-43-g. Affected by this issue is the function getradiotapfield. The manipulation leads to buffer overflow. This vulnerability is documented as CVE-2026-29976. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in ZerBea hcxtools 7.0.1-43-g and classified as critical. This issue affects the function getradiotapfield. The manipulation 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. The summary by CVE is:

Buffer Overflow vulnerability in ZerBea hcxpcapngtool v. 7.0.1-43-g2ee308e allows a local attacker to obtain sensitive information via the getradiotapfield() function

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-29976 since 03/04/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/26/2026).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• ZerBea

Name

• hcxtools

Version

• 7.0.1-43-g

Website

• Product: https://github.com/ZerBea/hcxtools/

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