GatesAir Maxiva UAXT/Maxiva VAXT POST /json sess_id improper authorization

Summaryinfo

A vulnerability was found in GatesAir Maxiva UAXT and Maxiva VAXT and classified as critical. Affected by this vulnerability is an unknown functionality of the file /json of the component POST Handler. Executing a manipulation of the argument sess_id can lead to improper authorization. This vulnerability appears as CVE-2025-22962. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in GatesAir Maxiva UAXT and Maxiva VAXT (the affected version is unknown). This vulnerability affects an unknown code of the file /json of the component POST Handler. The manipulation of the argument sess_id with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A critical remote code execution (RCE) vulnerability exists in the web-based management interface of GatesAir Maxiva UAXT, VAXT transmitters when debugging mode is enabled. An attacker with a valid session ID (sess_id) can send specially crafted POST requests to the /json endpoint, enabling arbitrary command execution on the underlying system. This vulnerability can lead to full system compromise, including unauthorized access, privilege escalation, and potentially full device takeover.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-22962 since 01/09/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/29/2025). The MITRE ATT&CK project declares the attack technique as T1548.002.

By approaching the search of inurl:json it is possible to find vulnerable targets with Google Hacking.

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-2025-3056). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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Vendor

• GatesAir

Name

• Maxiva UAXT
• Maxiva VAXT

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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