Details of VAR-202509-0101

ID

VAR-202509-0101

CVE

CVE-2025-20703

TITLE

Out-of-bounds read vulnerability in multiple MediaTek products

Trust: 0.8

sources: JVNDB: JVNDB-2025-012844

DESCRIPTION

In Modem, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01599794; Issue ID: MSV-3708. NR15 , nr16 , NR17 Multiple MediaTek products, including the following, contain vulnerabilities related to out-of-bounds reading.Service operation interruption (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2025-20703 // JVNDB: JVNDB-2025-012844

AFFECTED PRODUCTS

vendor:	mediatek	model:	nr16	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr17	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr15	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr17r	scope:	eq	version:	-	Trust: 1.0
vendor:	メディアテック	model:	nr15	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	nr17r	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	nr17	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	nr16	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2025-012844 // NVD: CVE-2025-20703

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-20703
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2025-012844
value:	HIGH
Trust: 0.8

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-20703
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-012844
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2025-012844 // NVD: CVE-2025-20703

PROBLEMTYPE DATA

problemtype:	CWE-125	Trust: 1.0
problemtype:	Out-of-bounds read (CWE-125) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-012844 // NVD: CVE-2025-20703

EXTERNAL IDS

db:	NVD	id:	CVE-2025-20703	Trust: 2.6
db:	JVNDB	id:	JVNDB-2025-012844	Trust: 0.8

sources: JVNDB: JVNDB-2025-012844 // NVD: CVE-2025-20703

REFERENCES

url:	https://corp.mediatek.com/product-security-bulletin/september-2025	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-20703	Trust: 0.8

sources: JVNDB: JVNDB-2025-012844 // NVD: CVE-2025-20703

SOURCES

db:	JVNDB	id:	JVNDB-2025-012844
db:	NVD	id:	CVE-2025-20703

LAST UPDATE DATE

2025-09-07T23:16:42.674000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2025-012844	date:	2025-09-04T01:46:00
db:	NVD	id:	CVE-2025-20703	date:	2025-09-03T16:07:38.867

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2025-012844	date:	2025-09-04T00:00:00
db:	NVD	id:	CVE-2025-20703	date:	2025-09-01T06:15:33.357