Details of VAR-202508-0158

ID

VAR-202508-0158

CVE

CVE-2025-8655

TITLE

JVCKENWOOD Corporation of DMX958XR in the firmware OS Command injection vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2025-011094

DESCRIPTION

Kenwood DMX958XR libSystemLib Command injection Remote Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Kenwood DMX958XR devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware update process. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26314. JVCKENWOOD Corporation of DMX958XR The firmware has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The Kenwood DMX958XR is an in-vehicle infotainment system from Kenwood

Trust: 2.79

sources: NVD: CVE-2025-8655 // JVNDB: JVNDB-2025-011094 // ZDI: ZDI-25-803 // CNVD: CNVD-2025-20426

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-20426

AFFECTED PRODUCTS

vendor:	jvckenwood	model:	dmx958xr	scope:	eq	version:	1.0.0509.3100	Trust: 1.0
vendor:	jvckenwood	model:	dmx958xr	scope:	eq	version:	dmx958xr firmware 1.0.0509.3100	Trust: 0.8
vendor:	jvckenwood	model:	dmx958xr	scope:	eq	version:	-	Trust: 0.8
vendor:	jvckenwood	model:	dmx958xr	scope:	-	version:	-	Trust: 0.8
vendor:	kenwood	model:	dmx958xr	scope:	-	version:	-	Trust: 0.7
vendor:	kenwood	model:	dmx958xr	scope:	eq	version:	1.0.0509.3100	Trust: 0.6

sources: ZDI: ZDI-25-803 // CNVD: CNVD-2025-20426 // JVNDB: JVNDB-2025-011094 // NVD: CVE-2025-8655

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com:	CVE-2025-8655
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2025-011094
value:	MEDIUM
Trust: 0.8
ZDI:	CVE-2025-8655
value:	MEDIUM
Trust: 0.7
CNVD:	CNVD-2025-20426
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-20426
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

zdi-disclosures@trendmicro.com:	CVE-2025-8655
baseSeverity:	MEDIUM
baseScore:	6.8
vectorString:	CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	PHYSICAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.9
impactScore:	5.9
version:	3.0
Trust: 1.0
OTHER:	JVNDB-2025-011094
baseSeverity:	MEDIUM
baseScore:	6.8
vectorString:	CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	PHYSICAL
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-2025-8655
baseSeverity:	MEDIUM
baseScore:	6.8
vectorString:	AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	PHYSICAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.9
impactScore:	5.9
version:	3.0
Trust: 0.7

sources: ZDI: ZDI-25-803 // CNVD: CNVD-2025-20426 // JVNDB: JVNDB-2025-011094 // NVD: CVE-2025-8655

PROBLEMTYPE DATA

problemtype:	CWE-78	Trust: 1.0
problemtype:	OS Command injection (CWE-78) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-011094 // NVD: CVE-2025-8655

EXTERNAL IDS

db:	NVD	id:	CVE-2025-8655	Trust: 3.9
db:	ZDI	id:	ZDI-25-803	Trust: 2.5
db:	JVNDB	id:	JVNDB-2025-011094	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-26314	Trust: 0.7
db:	CNVD	id:	CNVD-2025-20426	Trust: 0.6

sources: ZDI: ZDI-25-803 // CNVD: CNVD-2025-20426 // JVNDB: JVNDB-2025-011094 // NVD: CVE-2025-8655

REFERENCES

url:	https://www.zerodayinitiative.com/advisories/zdi-25-803/	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-8655	Trust: 1.4

sources: CNVD: CNVD-2025-20426 // JVNDB: JVNDB-2025-011094 // NVD: CVE-2025-8655

CREDITS

Synacktiv

Trust: 0.7

sources: ZDI: ZDI-25-803

SOURCES

db:	ZDI	id:	ZDI-25-803
db:	CNVD	id:	CNVD-2025-20426
db:	JVNDB	id:	JVNDB-2025-011094
db:	NVD	id:	CVE-2025-8655

LAST UPDATE DATE

2025-09-08T23:17:53.426000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-25-803	date:	2025-08-05T00:00:00
db:	CNVD	id:	CNVD-2025-20426	date:	2025-09-05T00:00:00
db:	JVNDB	id:	JVNDB-2025-011094	date:	2025-08-08T09:03:00
db:	NVD	id:	CVE-2025-8655	date:	2025-08-07T16:50:03.660

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-25-803	date:	2025-08-05T00:00:00
db:	CNVD	id:	CNVD-2025-20426	date:	2025-09-05T00:00:00
db:	JVNDB	id:	JVNDB-2025-011094	date:	2025-08-08T00:00:00
db:	NVD	id:	CVE-2025-8655	date:	2025-08-06T02:15:54.367