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CVE-2026-18283

2.4 · LOW

Sony XAV-9500ES udev USB Rules Authorization Bypass Vulnerability.

Published Aug 20, 2026CWE-285EPSS 0.27%

Overview

CVE-2026-18283 is a low-severity vulnerability. It was published on August 20, 2026 and has a CVSS 3.0 base score of 2.4 (LOW).

This vulnerability has a CVSS 3.0 base score of 2.4, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Sony XAV-9500ES udev USB Rules Authorization Bypass Vulnerability. This vulnerability allows physically present attackers to bypass authorization on affected installations on Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the udev rules. A crafted USB device connected to the system can trigger instantiation of otherwise restricted USB device types. An attacker can leverage this vulnerability to bypass authorization on the system. Was ZDI-CAN-28992.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-9500es/software/00274922Refwww.zerodayinitiative.com/advisories/ZDI-26-476/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-18283?

CVE-2026-18283 is a low-severity vulnerability. It was published on August 20, 2026 and has a CVSS 3.0 base score of 2.4 (LOW).

How severe is CVE-2026-18283?

This vulnerability has a CVSS 3.0 base score of 2.4, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-18283?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-18283?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-18283 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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