CVE-2025-20747

In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10010443; Issue ID: MSV-3966.

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://corp.mediatek.com/product-security-bulletin/November-2025	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:linuxfoundation:yocto:4.0:::::::*
	cpe:2.3:a:rdkcentral:rdk-b:2024q1:::::::*
	cpe:2.3:o:google:android:14.0:::::::*
	cpe:2.3:o:google:android:15.0:::::::*
	cpe:2.3:o:openwrt:openwrt:21.02.0:-::::::
	cpe:2.3:o:openwrt:openwrt:23.05.0:-::::::
	cpe:2.3:o:zephyrproject:zephyr:3.7.0:-::::::

OR	cpe:2.3:h:mediatek:mt2718:-:::::::*
	cpe:2.3:h:mediatek:mt2737:-:::::::*
	cpe:2.3:h:mediatek:mt6835:-:::::::*
	cpe:2.3:h:mediatek:mt6878:-:::::::*
	cpe:2.3:h:mediatek:mt6886:-:::::::*
	cpe:2.3:h:mediatek:mt6897:-:::::::*
	cpe:2.3:h:mediatek:mt6899:-:::::::*
	cpe:2.3:h:mediatek:mt6982:-:::::::*
	cpe:2.3:h:mediatek:mt6985:-:::::::*
	cpe:2.3:h:mediatek:mt6986:-:::::::*
	cpe:2.3:h:mediatek:mt6986d:-:::::::*
	cpe:2.3:h:mediatek:mt6989:-:::::::*
	cpe:2.3:h:mediatek:mt6990:-:::::::*
	cpe:2.3:h:mediatek:mt6991:-:::::::*
	cpe:2.3:h:mediatek:mt8676:-:::::::*
	cpe:2.3:h:mediatek:mt8678:-:::::::*
	cpe:2.3:h:mediatek:mt8755:-:::::::*
	cpe:2.3:h:mediatek:mt8893:-:::::::*

History

05 Nov 2025, 17:11

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-04 07:15

Updated : 2025-11-05 17:11

NVD link : CVE-2025-20747

Mitre link : CVE-2025-20747

CVE.ORG link : CVE-2025-20747

JSON object : View

Products Affected

mediatek

mt8893
mt8676
mt6897
mt6878
mt6886
mt6986
mt6986d
mt6985
mt6991
mt6835
mt6990
mt2718
mt8755
mt2737
mt6899
mt6982
mt6989
mt8678

linuxfoundation

yocto

google

android

openwrt

openwrt

zephyrproject

zephyr

rdkcentral

rdk-b

CWE

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

{"id": "CVE-2025-20747", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2025-11-04T07:15:49.540", "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/November-2025", "tags": ["Vendor Advisory"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-121"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10010443; Issue ID: MSV-3966."}], "lastModified": "2025-11-05T17:11:25.263", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "437D8F9D-67DF-47A5-9C96-5B51D1562951"}, {"criteria": "cpe:2.3:a:rdkcentral:rdk-b:2024q1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CB397DA1-62B3-48FD-B694-9FDA4DA25EDE"}, {"criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"}, {"criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"}, {"criteria": "cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F0133207-2EED-4625-854F-8DB7770D5BF7"}, {"criteria": "cpe:2.3:o:openwrt:openwrt:23.05.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00113669-2850-4F0C-913A-92CA5290746E"}, {"criteria": "cpe:2.3:o:zephyrproject:zephyr:3.7.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8FA9F6FC-E722-428B-BB01-E9082DBF9A32"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F5506327-7DDF-4E88-9EA8-10B8E32F848B"}, {"criteria": "cpe:2.3:h:mediatek:mt2737:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9C2A1118-B5F7-4EF5-B329-0887B5F3430E"}, {"criteria": "cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "19A63103-C708-48EC-B44D-5E465A6B79C5"}, {"criteria": "cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "855A8046-34ED-4891-ACE5-76AB10AC8D53"}, {"criteria": "cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AF3E2B84-DAFE-4E11-B23B-026F719475F5"}, {"criteria": "cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2A7D8055-F4B6-41EE-A078-11D56285AB66"}, {"criteria": "cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C6E9F80F-9AC9-41E0-BB14-9DB6F14B62CD"}, {"criteria": "cpe:2.3:h:mediatek:mt6982:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DFB497BE-A045-4673-874C-7337E62CC606"}, {"criteria": "cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EA72CCD1-DEA2-48EB-8781-04CFDD41AAEE"}, {"criteria": "cpe:2.3:h:mediatek:mt6986:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1F419FE2-2D6D-48EE-9B6C-E88AC5D44186"}, {"criteria": "cpe:2.3:h:mediatek:mt6986d:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "68AA1CF7-F1CB-44A0-980E-DB32D9E379B9"}, {"criteria": "cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AD7DE6B2-66D9-4A3E-B15F-D56505559255"}, {"criteria": "cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1A76806D-A4E3-466A-90CB-E9FFE478E7A0"}, {"criteria": "cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC"}, {"criteria": "cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EE302F6F-170E-4350-A8F4-65BE0C50CB78"}, {"criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB"}, {"criteria": "cpe:2.3:h:mediatek:mt8755:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1CF88096-5CBD-4A4B-8F47-33D38985956F"}, {"criteria": "cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CCFAADB1-C2B2-47A6-BB66-761B964E7DFB"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "[email protected]"}