Details of VAR-202508-0122

ID

VAR-202508-0122

CVE

CVE-2025-8644

TITLE

JVCKENWOOD Corporation of DMX958XR in the firmware OS Command injection vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2025-011083

DESCRIPTION

Kenwood DMX958XR Firmware Update Command Injection 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-26267. 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-2025-8644 // JVNDB: JVNDB-2025-011083 // ZDI: ZDI-25-792 // CNVD: CNVD-2025-20300

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-20300

AFFECTED PRODUCTS

vendor:	jvckenwood	model:	dmx958xr	scope:	eq	version:	1.0.0005.4600	Trust: 1.0
vendor:	jvckenwood	model:	dmx958xr	scope:	-	version:	-	Trust: 0.8
vendor:	jvckenwood	model:	dmx958xr	scope:	eq	version:	-	Trust: 0.8
vendor:	jvckenwood	model:	dmx958xr	scope:	eq	version:	dmx958xr firmware 1.0.0005.4600	Trust: 0.8
vendor:	kenwood	model:	dmx958xr	scope:	-	version:	-	Trust: 0.7
vendor:	kenwood	model:	dmx958xr	scope:	eq	version:	1.0.0005.4600	Trust: 0.6

sources: ZDI: ZDI-25-792 // CNVD: CNVD-2025-20300 // JVNDB: JVNDB-2025-011083 // NVD: CVE-2025-8644

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com:	CVE-2025-8644
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2025-011083
value:	MEDIUM
Trust: 0.8
ZDI:	CVE-2025-8644
value:	MEDIUM
Trust: 0.7
CNVD:	CNVD-2025-20300
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-20300
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-2025-8644
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-2025-011083
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-2025-8644
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-25-792 // CNVD: CNVD-2025-20300 // JVNDB: JVNDB-2025-011083 // NVD: CVE-2025-8644

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-011083 // NVD: CVE-2025-8644

EXTERNAL IDS

db:	NVD	id:	CVE-2025-8644	Trust: 3.9
db:	ZDI	id:	ZDI-25-792	Trust: 3.1
db:	JVNDB	id:	JVNDB-2025-011083	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-26267	Trust: 0.7
db:	CNVD	id:	CNVD-2025-20300	Trust: 0.6

sources: ZDI: ZDI-25-792 // CNVD: CNVD-2025-20300 // JVNDB: JVNDB-2025-011083 // NVD: CVE-2025-8644

REFERENCES

url:	https://www.zerodayinitiative.com/advisories/zdi-25-792/	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-8644	Trust: 0.8

sources: CNVD: CNVD-2025-20300 // JVNDB: JVNDB-2025-011083 // NVD: CVE-2025-8644

CREDITS

@ByteInsight

Trust: 0.7

sources: ZDI: ZDI-25-792

SOURCES

db:	ZDI	id:	ZDI-25-792
db:	CNVD	id:	CNVD-2025-20300
db:	JVNDB	id:	JVNDB-2025-011083
db:	NVD	id:	CVE-2025-8644

LAST UPDATE DATE

2025-09-07T23:14:38.674000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-25-792	date:	2025-08-05T00:00:00
db:	CNVD	id:	CNVD-2025-20300	date:	2025-09-04T00:00:00
db:	JVNDB	id:	JVNDB-2025-011083	date:	2025-08-08T09:01:00
db:	NVD	id:	CVE-2025-8644	date:	2025-08-07T16:51:53.730

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-25-792	date:	2025-08-05T00:00:00
db:	CNVD	id:	CNVD-2025-20300	date:	2025-09-04T00:00:00
db:	JVNDB	id:	JVNDB-2025-011083	date:	2025-08-08T00:00:00
db:	NVD	id:	CVE-2025-8644	date:	2025-08-06T02:15:52.783