ZDI-26-472: (Pwn2Own) Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent 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 8.8. The following CVEs are assigned: CVE-2026-18279.
AI Analysis
Technical Summary
CVE-2026-18279 is a remote code execution vulnerability in Sony XAV-9500ES devices caused by a buffer overflow in the RTSP SETUP packet handling. The vulnerability arises from insufficient validation of the length of user-supplied data before copying it into a fixed-length buffer, enabling an attacker to execute arbitrary code in the device context without requiring authentication. The Zero Day Initiative assigned a CVSS score of 8.8 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Sony has released an update to fix this vulnerability.
Potential Impact
Successful exploitation allows an attacker adjacent to the network to execute arbitrary code on affected Sony XAV-9500ES devices without authentication. This can lead to full compromise of the device, including confidentiality, integrity, and availability impacts.
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 official support page to remediate this issue. No other mitigation steps are indicated by the vendor advisory.
ZDI-26-472: (Pwn2Own) Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability
Description
This vulnerability allows network-adjacent 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 8.8. The following CVEs are assigned: CVE-2026-18279.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18279 is a remote code execution vulnerability in Sony XAV-9500ES devices caused by a buffer overflow in the RTSP SETUP packet handling. The vulnerability arises from insufficient validation of the length of user-supplied data before copying it into a fixed-length buffer, enabling an attacker to execute arbitrary code in the device context without requiring authentication. The Zero Day Initiative assigned a CVSS score of 8.8 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Sony has released an update to fix this vulnerability.
Potential Impact
Successful exploitation allows an attacker adjacent to the network to execute arbitrary code on affected Sony XAV-9500ES devices without authentication. This can lead to full compromise of the device, including confidentiality, integrity, and availability impacts.
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 official support page to remediate this issue. No other mitigation steps are indicated by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-472/","fetched":true,"fetchedAt":"2026-07-30T15:56:20.804Z","wordCount":196}
Threat ID: 6a6b74c59c2644c7f84cc2cd
Added to database: 07/30/2026, 15:59:01 UTC
Last enriched: 07/30/2026, 16:08:21 UTC
Last updated: 07/31/2026, 06:16:47 UTC
Views: 5
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