Details of VAR-202602-0303

ID

VAR-202602-0303

CVE

CVE-2026-20422

TITLE

media tech's NR15 Vulnerabilities related to reachable assertions in multiple products, including

Trust: 0.8

sources: JVNDB: JVNDB-2026-002646

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: MOLY00827332; Issue ID: MSV-5919. ID teeth MOLY00827332 And the problem ID teeth MSV-5919 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-2026-20422 // JVNDB: JVNDB-2026-002646

AFFECTED PRODUCTS

vendor:	mediatek	model:	nr16	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr17r	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr15	scope:	eq	version:	-	Trust: 1.0
vendor:	mediatek	model:	nr17	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-2026-002646 // NVD: CVE-2026-20422

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2026-20422
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2026-002646
value:	HIGH
Trust: 0.8

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2026-20422
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-2026-002646
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-2026-002646 // NVD: CVE-2026-20422

PROBLEMTYPE DATA

problemtype:	CWE-617	Trust: 1.0
problemtype:	Reachable assertions (CWE-617) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2026-002646 // NVD: CVE-2026-20422

PATCH

title:

February 2026

url:

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

Trust: 0.8

sources: JVNDB: JVNDB-2026-002646

EXTERNAL IDS

db:	NVD	id:	CVE-2026-20422	Trust: 2.6
db:	JVNDB	id:	JVNDB-2026-002646	Trust: 0.8

sources: JVNDB: JVNDB-2026-002646 // NVD: CVE-2026-20422

REFERENCES

url:	https://corp.mediatek.com/product-security-bulletin/february-2026	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-20422	Trust: 0.8

sources: JVNDB: JVNDB-2026-002646 // NVD: CVE-2026-20422

SOURCES

db:	JVNDB	id:	JVNDB-2026-002646
db:	NVD	id:	CVE-2026-20422

LAST UPDATE DATE

2026-02-12T19:40:50.914000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-002646	date:	2026-02-05T06:44:00
db:	NVD	id:	CVE-2026-20422	date:	2026-02-03T21:22:11.250

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-002646	date:	2026-02-05T00:00:00
db:	NVD	id:	CVE-2026-20422	date:	2026-02-02T09:15:57.387