ZDI-26-473: (Pwn2Own) Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability
Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NMEA data by the gpsd daemon. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the gpsd daemon. Was ZDI-CAN-29060.
AI Analysis
Technical Summary
CVE-2026-18280 is a buffer overflow vulnerability in the gpsd daemon of Sony XAV-9500ES devices. The vulnerability is due to insufficient validation of the length of user-supplied NMEA data before copying it into a fixed-length buffer. This can be exploited by physically present attackers without requiring authentication to execute arbitrary code in the context of the gpsd daemon. The vulnerability has a CVSS score of 3.9 (low severity). Sony has released an update to fix this issue.
Potential Impact
An attacker with physical access to the affected Sony XAV-9500ES device can exploit this vulnerability to execute arbitrary code with the privileges of the gpsd daemon. This could lead to limited confidentiality, integrity, and availability impacts on the device. No remote exploitation or authentication is required.
Mitigation Recommendations
Sony has issued an official update to correct this vulnerability. Users of Sony XAV-9500ES devices should apply the provided update from Sony's support site to remediate this issue.
ZDI-26-473: (Pwn2Own) Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability
Description
Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NMEA data by the gpsd daemon. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the gpsd daemon. Was ZDI-CAN-29060.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18280 is a buffer overflow vulnerability in the gpsd daemon of Sony XAV-9500ES devices. The vulnerability is due to insufficient validation of the length of user-supplied NMEA data before copying it into a fixed-length buffer. This can be exploited by physically present attackers without requiring authentication to execute arbitrary code in the context of the gpsd daemon. The vulnerability has a CVSS score of 3.9 (low severity). Sony has released an update to fix this issue.
Potential Impact
An attacker with physical access to the affected Sony XAV-9500ES device can exploit this vulnerability to execute arbitrary code with the privileges of the gpsd daemon. This could lead to limited confidentiality, integrity, and availability impacts on the device. No remote exploitation or authentication is required.
Mitigation Recommendations
Sony has issued an official update to correct this vulnerability. Users of Sony XAV-9500ES devices should apply the provided update from Sony's support site to remediate this issue.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-473/","fetched":true,"fetchedAt":"2026-07-30T15:56:18.938Z","wordCount":203}
- Classification
- {"confidence":0.95,"severitySource":"cvss-text","classifier":"rss-v2"}
Threat ID: 6a6b74c59c2644c7f84cc2ca
Added to database: 07/30/2026, 15:59:01 UTC
Last enriched: 08/15/2026, 05:16:47 UTC
Last updated: 09/14/2026, 10:01:29 UTC
Views: 75
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