Positron PX360BT 8 authentication replay

Summaryinfo

A vulnerability classified as critical has been found in Positron PX360BT 8. The impacted element is an unknown function. The manipulation leads to authentication replay. This vulnerability is referenced as CVE-2025-56448. The attack needs to be initiated within the local network. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Positron PX360BT 8. This issue affects some unknown processing. The manipulation with an unknown input leads to a authentication replay vulnerability. Using CWE to declare the problem leads to CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Positron PX360BT SW REV 8 car alarm system is vulnerable to a replay attack due to a failure in implementing rolling code security. The alarm system does not properly rotate or invalidate used codes, allowing repeated reuse of captured transmissions. This exposes users to significant security risks, including vehicle theft and loss of trust in the alarm's anti-cloning claims.

It is possible to read the advisory at positron.com.br. The identification of this vulnerability is CVE-2025-56448 since 08/17/2025. The exploitation is known to be difficult. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

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

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Productinfo

Vendor

• Positron

Name

• PX360BT

Version

• 8

CPE 2.3info

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CPE 2.2info

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