Details of VAR-202602-0315

ID

VAR-202602-0315

CVE

CVE-2026-20404

TITLE

media tech's NR15 Out-of-bounds write vulnerabilities in multiple products, including

Trust: 0.8

sources: JVNDB: JVNDB-2026-002749

DESCRIPTION

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01689248; Issue ID: MSV-4837. Patch ID teeth MOLY01689248 ,problem ID teeth MSV-4837 is.Information handled by the software will not be leaked to the outside. Information handled by the software will not be rewritten. In addition, the software may stop functioning completely. Furthermore, attacks that exploit this vulnerability will not affect other software

Trust: 1.62

sources: NVD: CVE-2026-20404 // JVNDB: JVNDB-2026-002749

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:	nr15	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:	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
vendor:	メディアテック	model:	nr15	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2026-002749 // NVD: CVE-2026-20404

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2026-20404
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2026-002749
value:	HIGH
Trust: 0.8

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2026-20404
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-2026-002749
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-2026-002749 // NVD: CVE-2026-20404

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2026-002749 // NVD: CVE-2026-20404

PATCH

title:

February 2026

url:

https://corp.mediatek.com/product-security-bulletin/February-2026

Trust: 0.8

sources: JVNDB: JVNDB-2026-002749

EXTERNAL IDS

db:	NVD	id:	CVE-2026-20404	Trust: 2.6
db:	JVNDB	id:	JVNDB-2026-002749	Trust: 0.8

sources: JVNDB: JVNDB-2026-002749 // NVD: CVE-2026-20404

REFERENCES

url:	https://corp.mediatek.com/product-security-bulletin/february-2026	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-20404	Trust: 0.8

sources: JVNDB: JVNDB-2026-002749 // NVD: CVE-2026-20404

SOURCES

db:	JVNDB	id:	JVNDB-2026-002749
db:	NVD	id:	CVE-2026-20404

LAST UPDATE DATE

2026-02-12T23:36:22.539000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-002749	date:	2026-02-06T01:37:00
db:	NVD	id:	CVE-2026-20404	date:	2026-02-04T14:22:01.120

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-002749	date:	2026-02-06T00:00:00
db:	NVD	id:	CVE-2026-20404	date:	2026-02-02T09:15:55.097