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CVE-2026-18278— Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability

Quick assessment

Affected
Sony XAV-9500ES
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sony XAV-9500ES是日本Sony公司的一款网络服务器设备。 Sony XAV-9500ES 3.02.0.0版本存在缓冲区错误漏洞，该漏洞源于处理Bluetooth L2CAP数据包时未正确验证用户提供的数据，导致越界读取，可能造成敏感信息泄露，并可能结合其他漏洞执行任意代码。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.24% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
Sony XAV-9500ES 3.02.0.0 affected
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I. Basic Information for CVE-2026-18278

Vulnerability Information
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Vulnerability Title
Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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 specific flaw exists within the handling of Bluetooth L2CAP packets. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device. Was ZDI-CAN-28990.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Sony XAV-9500ES 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sony XAV-9500ES是日本Sony公司的一款网络服务器设备。 Sony XAV-9500ES 3.02.0.0版本存在缓冲区错误漏洞，该漏洞源于处理Bluetooth L2CAP数据包时未正确验证用户提供的数据，导致越界读取，可能造成敏感信息泄露，并可能结合其他漏洞执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sony XAV-9500ES 3.02.0.0 -

II. Public POCs for CVE-2026-18278

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III. Intelligence Information for CVE-2026-18278

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Vendor Advisories for CVE-2026-18278 (1)

Vendor Pages for CVE-2026-18278 (1)

Same Patch Batch · Sony · 2026-08-20 · 7 CVEs total

CVE-2026-18283 Sony XAV-9500ES udev USB Rules Authorization Bypass Vulnerability
CVE-2026-18280 Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability
CVE-2026-18279 Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-18281 Sony XAV-9500ES l2_reassemble_sdu Heap-based Buffer Overflow Remote Code Execution Vulnera
CVE-2026-18282 Sony XAV-9500ES AVRCP_Br_Response_Parser Heap-based Buffer Overflow Remote Code Execution
CVE-2026-18284 Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerabil

IV. Related Vulnerabilities

Same product: XAV-9500ES
Same vendor: Sony
Same weakness: CWE-125

V. Comments for CVE-2026-18278

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