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ID

VAR-202506-0665


CVE

CVE-2025-5476


TITLE

Sony Corporation's  XAV-AX8500  Isolation or classification vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-008594

DESCRIPTION

Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected Sony XAV-AX8500 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284. Sony Corporation's XAV-AX8500 The firmware contains a containment or classification vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. SONY XAV-AX8500 is a car AV receiver with enhanced functions

Trust: 2.79

sources: NVD: CVE-2025-5476 // JVNDB: JVNDB-2025-008594 // ZDI: ZDI-25-357 // CNVD: CNVD-2025-14805

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-14805

AFFECTED PRODUCTS

vendor:sonymodel:xav-ax8500scope: - version: -

Trust: 1.3

vendor:sonymodel:xav-ax8500scope:ltversion:3.02.00

Trust: 1.0

vendor:sonymodel:xav-ax8500scope:gteversion:2.00.01

Trust: 1.0

vendor:ソニー株式会社model:xav-ax8500scope: - version: -

Trust: 0.8

vendor:ソニー株式会社model:xav-ax8500scope:eqversion:xav-ax8500 firmware 2.00.01 that's all 3.02.00

Trust: 0.8

vendor:ソニー株式会社model:xav-ax8500scope:eqversion: -

Trust: 0.8

sources: ZDI: ZDI-25-357 // CNVD: CNVD-2025-14805 // JVNDB: JVNDB-2025-008594 // NVD: CVE-2025-5476

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com: CVE-2025-5476
value: MEDIUM

Trust: 1.0

nvd@nist.gov: CVE-2025-5476
value: HIGH

Trust: 1.0

NVD: CVE-2025-5476
value: HIGH

Trust: 0.8

ZDI: CVE-2025-5476
value: MEDIUM

Trust: 0.7

CNVD: CNVD-2025-14805
value: MEDIUM

Trust: 0.6

CNVD: CNVD-2025-14805
severity: MEDIUM
baseScore: 5.8
vectorString: AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 6.5
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

zdi-disclosures@trendmicro.com: CVE-2025-5476
baseSeverity: MEDIUM
baseScore: 6.3
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.8
impactScore: 3.4
version: 3.0

Trust: 1.0

nvd@nist.gov: CVE-2025-5476
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2025-5476
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

ZDI: CVE-2025-5476
baseSeverity: MEDIUM
baseScore: 6.3
vectorString: AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.8
impactScore: 3.4
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-25-357 // CNVD: CNVD-2025-14805 // JVNDB: JVNDB-2025-008594 // NVD: CVE-2025-5476 // NVD: CVE-2025-5476

PROBLEMTYPE DATA

problemtype:CWE-653

Trust: 1.0

problemtype:Improper segregation or classification (CWE-653) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-008594 // NVD: CVE-2025-5476

PATCH

title:Sony has issued an update to correct this vulnerability.url:https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092

Trust: 0.7

title:Patch for SONY XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/703856

Trust: 0.6

sources: ZDI: ZDI-25-357 // CNVD: CNVD-2025-14805

EXTERNAL IDS

db:NVDid:CVE-2025-5476

Trust: 3.9

db:ZDIid:ZDI-25-357

Trust: 3.1

db:JVNDBid:JVNDB-2025-008594

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-26284

Trust: 0.7

db:CNVDid:CNVD-2025-14805

Trust: 0.6

sources: ZDI: ZDI-25-357 // CNVD: CNVD-2025-14805 // JVNDB: JVNDB-2025-008594 // NVD: CVE-2025-5476

REFERENCES

url:https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092

Trust: 2.5

url:https://www.zerodayinitiative.com/advisories/zdi-25-357/

Trust: 2.4

url:https://nvd.nist.gov/vuln/detail/cve-2025-5476

Trust: 0.8

sources: ZDI: ZDI-25-357 // CNVD: CNVD-2025-14805 // JVNDB: JVNDB-2025-008594 // NVD: CVE-2025-5476

CREDITS

Mikhail Evdokimov (@konatabrk) from PCAutomotive

Trust: 0.7

sources: ZDI: ZDI-25-357

SOURCES

db:ZDIid:ZDI-25-357
db:CNVDid:CNVD-2025-14805
db:JVNDBid:JVNDB-2025-008594
db:NVDid:CVE-2025-5476

LAST UPDATE DATE

2025-07-13T23:45:14.645000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-25-357date:2025-06-11T00:00:00
db:CNVDid:CNVD-2025-14805date:2025-07-02T00:00:00
db:JVNDBid:JVNDB-2025-008594date:2025-07-11T08:52:00
db:NVDid:CVE-2025-5476date:2025-07-08T14:30:24.420

SOURCES RELEASE DATE

db:ZDIid:ZDI-25-357date:2025-06-11T00:00:00
db:CNVDid:CNVD-2025-14805date:2025-07-01T00:00:00
db:JVNDBid:JVNDB-2025-008594date:2025-07-11T00:00:00
db:NVDid:CVE-2025-5476date:2025-06-21T01:15:28.193