ZDI-26-471: (Pwn2Own) Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 3.5. The following CVEs are assigned: CVE-2026-18278.
AI Analysis
Technical Summary
The Sony XAV-9500ES device contains a vulnerability in the prh_l2_decode_packet function related to improper validation of user-supplied Bluetooth L2CAP packet data. This flaw results in an out-of-bounds read, potentially disclosing sensitive information to an attacker who can pair a malicious Bluetooth device with the target system. The vulnerability is identified as CVE-2026-18278 and has a CVSS score of 3.5. Sony has released an update to fix this issue.
Potential Impact
An attacker with the ability to pair a malicious Bluetooth device to the Sony XAV-9500ES can exploit this vulnerability to read memory beyond allocated buffers, leading to disclosure of sensitive information. There is no direct impact on integrity or availability reported. The vulnerability could potentially be chained with others to achieve arbitrary code execution, but this is not confirmed here.
Mitigation Recommendations
Sony has issued an official update to correct this vulnerability. Users of the Sony XAV-9500ES device should apply the provided update available at Sony's support page to remediate this issue.
ZDI-26-471: (Pwn2Own) Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability
Description
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 3.5. The following CVEs are assigned: CVE-2026-18278.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Sony XAV-9500ES device contains a vulnerability in the prh_l2_decode_packet function related to improper validation of user-supplied Bluetooth L2CAP packet data. This flaw results in an out-of-bounds read, potentially disclosing sensitive information to an attacker who can pair a malicious Bluetooth device with the target system. The vulnerability is identified as CVE-2026-18278 and has a CVSS score of 3.5. Sony has released an update to fix this issue.
Potential Impact
An attacker with the ability to pair a malicious Bluetooth device to the Sony XAV-9500ES can exploit this vulnerability to read memory beyond allocated buffers, leading to disclosure of sensitive information. There is no direct impact on integrity or availability reported. The vulnerability could potentially be chained with others to achieve arbitrary code execution, but this is not confirmed here.
Mitigation Recommendations
Sony has issued an official update to correct this vulnerability. Users of the Sony XAV-9500ES device should apply the provided update available at Sony's support page to remediate this issue.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-471/","fetched":true,"fetchedAt":"2026-07-30T15:56:22.686Z","wordCount":219}
Threat ID: 6a6b74c69c2644c7f84cc492
Added to database: 07/30/2026, 15:59:02 UTC
Last enriched: 07/30/2026, 16:08:43 UTC
Last updated: 07/31/2026, 14:22:56 UTC
Views: 11
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