Details of VAR-202502-0055

ID

VAR-202502-0055

CVE

CVE-2025-20634

TITLE

Out-of-bounds write vulnerability in multiple MediaTek products

Trust: 0.8

sources: JVNDB: JVNDB-2025-001345

DESCRIPTION

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution, 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: MOLY01289384; Issue ID: MSV-2436. media tech's nr16 , NR17 , NR17R Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2025-20634 // JVNDB: JVNDB-2025-001345

AFFECTED PRODUCTS

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

sources: JVNDB: JVNDB-2025-001345 // NVD: CVE-2025-20634

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2025-20634
value:	CRITICAL
Trust: 1.0
134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-20634
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2025-20634
value:	CRITICAL
Trust: 0.8

nvd@nist.gov:	CVE-2025-20634
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 2.0
NVD:	CVE-2025-20634
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	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

sources: JVNDB: JVNDB-2025-001345 // NVD: CVE-2025-20634 // NVD: CVE-2025-20634

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [ others ]	Trust: 0.8
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-001345 // NVD: CVE-2025-20634

EXTERNAL IDS

db:	NVD	id:	CVE-2025-20634	Trust: 2.6
db:	JVNDB	id:	JVNDB-2025-001345	Trust: 0.8

sources: JVNDB: JVNDB-2025-001345 // NVD: CVE-2025-20634

REFERENCES

url:	https://corp.mediatek.com/product-security-bulletin/february-2025	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-20634	Trust: 0.8

sources: JVNDB: JVNDB-2025-001345 // NVD: CVE-2025-20634

SOURCES

db:	JVNDB	id:	JVNDB-2025-001345
db:	NVD	id:	CVE-2025-20634

LAST UPDATE DATE

2025-03-18T19:32:07.921000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2025-001345	date:	2025-02-06T03:19:00
db:	NVD	id:	CVE-2025-20634	date:	2025-03-18T14:15:41.747

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2025-001345	date:	2025-02-06T00:00:00
db:	NVD	id:	CVE-2025-20634	date:	2025-02-03T04:15:08.423