Details of VAR-202508-0196

ID

VAR-202508-0196

CVE

CVE-2025-8648

TITLE

JVCKENWOOD Corporation of DMX958XR in the firmware OS Command injection vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2025-011098

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-26271. 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-2025-8648 // JVNDB: JVNDB-2025-011098 // ZDI: ZDI-25-796 // CNVD: CNVD-2025-20421

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-20421

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-25-796 // CNVD: CNVD-2025-20421 // JVNDB: JVNDB-2025-011098 // NVD: CVE-2025-8648

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com:	CVE-2025-8648
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2025-011098
value:	MEDIUM
Trust: 0.8
ZDI:	CVE-2025-8648
value:	MEDIUM
Trust: 0.7
CNVD:	CNVD-2025-20421
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-20421
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-2025-8648
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-2025-011098
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-2025-8648
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-25-796 // CNVD: CNVD-2025-20421 // JVNDB: JVNDB-2025-011098 // NVD: CVE-2025-8648

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-011098 // NVD: CVE-2025-8648

EXTERNAL IDS

db:	NVD	id:	CVE-2025-8648	Trust: 3.9
db:	ZDI	id:	ZDI-25-796	Trust: 2.5
db:	JVNDB	id:	JVNDB-2025-011098	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-26271	Trust: 0.7
db:	CNVD	id:	CNVD-2025-20421	Trust: 0.6

sources: ZDI: ZDI-25-796 // CNVD: CNVD-2025-20421 // JVNDB: JVNDB-2025-011098 // NVD: CVE-2025-8648

REFERENCES

url:	https://www.zerodayinitiative.com/advisories/zdi-25-796/	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-8648	Trust: 1.4

sources: CNVD: CNVD-2025-20421 // JVNDB: JVNDB-2025-011098 // NVD: CVE-2025-8648

CREDITS

@ByteInsight

Trust: 0.7

sources: ZDI: ZDI-25-796

SOURCES

db:	ZDI	id:	ZDI-25-796
db:	CNVD	id:	CNVD-2025-20421
db:	JVNDB	id:	JVNDB-2025-011098
db:	NVD	id:	CVE-2025-8648

LAST UPDATE DATE

2025-09-08T23:20:37.360000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-25-796	date:	2025-08-05T00:00:00
db:	CNVD	id:	CNVD-2025-20421	date:	2025-09-05T00:00:00
db:	JVNDB	id:	JVNDB-2025-011098	date:	2025-08-08T09:03:00
db:	NVD	id:	CVE-2025-8648	date:	2025-08-07T16:51:12.960

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-25-796	date:	2025-08-05T00:00:00
db:	CNVD	id:	CNVD-2025-20421	date:	2025-09-05T00:00:00
db:	JVNDB	id:	JVNDB-2025-011098	date:	2025-08-08T00:00:00
db:	NVD	id:	CVE-2025-8648	date:	2025-08-06T02:15:53.367