ZDI-26-473: (Pwn2Own) 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 ZDI has assigned a CVSS rating of 3.9. The following CVEs are assigned: CVE-2026-18280.
AI Analysis
Technical Summary
CVE-2026-18280 is a buffer overflow vulnerability in the gpsd daemon of Sony XAV-9500ES devices. The vulnerability arises from insufficient validation of the length of NMEA data supplied by an attacker before copying it into a fixed-length buffer, which can lead to arbitrary code execution. Exploitation requires physical presence and no authentication is needed. Sony has released a software 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 in the context of the gpsd daemon. This could lead to limited confidentiality, integrity, and availability impacts on the device. The vulnerability does not require authentication but does require physical presence.
Mitigation Recommendations
Sony has issued an update to correct this vulnerability. Users of Sony XAV-9500ES devices should apply the official update provided by Sony to remediate this issue. No other mitigation is indicated by the vendor advisory.
ZDI-26-473: (Pwn2Own) Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability
Description
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 ZDI has assigned a CVSS rating of 3.9. The following CVEs are assigned: CVE-2026-18280.
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 arises from insufficient validation of the length of NMEA data supplied by an attacker before copying it into a fixed-length buffer, which can lead to arbitrary code execution. Exploitation requires physical presence and no authentication is needed. Sony has released a software 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 in the context of the gpsd daemon. This could lead to limited confidentiality, integrity, and availability impacts on the device. The vulnerability does not require authentication but does require physical presence.
Mitigation Recommendations
Sony has issued an update to correct this vulnerability. Users of Sony XAV-9500ES devices should apply the official update provided by Sony to remediate this issue. No other mitigation is indicated by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-473/","fetched":true,"fetchedAt":"2026-07-30T15:56:18.938Z","wordCount":203}
Threat ID: 6a6b74c59c2644c7f84cc2ca
Added to database: 07/30/2026, 15:59:01 UTC
Last enriched: 07/30/2026, 16:07:57 UTC
Last updated: 07/31/2026, 14:21:42 UTC
Views: 11
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