AI description
CVE-2025-20741 describes a vulnerability found in the WLAN AP driver, attributed to MediaTek, Inc. This flaw is characterized as a possible out-of-bounds write, stemming from an incorrect bounds check within the driver's code. Exploitation of this vulnerability could potentially lead to a local escalation of privilege. This scenario would occur if a malicious actor has already obtained System privilege on the affected system. User interaction is not required for the exploitation of this issue.
- Description
- In wlan AP driver, 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: WCNCR00434422; Issue ID: MSV-3958.
- Source
- security@mediatek.com
- NVD status
- Analyzed
- Products
- software_development_kit, openwrt
CVSS 3.1
- Type
- Secondary
- Base score
- 6.7
- Impact score
- 5.9
- Exploitability score
- 0.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Severity
- MEDIUM
- Hype score
- Not currently trending
New post is up! This one uses CVE-2025-20741 (a heap overflow in the MediaTek MT76xx driver) to show how a bit of kernel alchemy can turn a heap OOB write into a number of stronger exploit primitives, up to page-level r/w via pipe_buffer corruption :) https://t.co/rA7nKZex5U
@hyprdude
3 Apr 2026
15411 Impressions
80 Retweets
281 Likes
181 Bookmarks
1 Reply
0 Quotes
CVE-2025-20741 Local Privilege Escalation in WLAN AP Driver via Out-of-Bounds Write https://t.co/hoGbIaoVXn Vulnerability Notification: https://t.co/xhLrNnfyrO
@VulmonFeeds
4 Nov 2025
5 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
CVE-2025-20741 In wlan AP driver, 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… https://t.co/cPDcjeX5ak
@CVEnew
4 Nov 2025
266 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0DD86CC1-BD46-42D2-9112-190CCAC96B30",
"versionEndIncluding": "7.6.7.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*",
"matchCriteriaId": "4FA469E2-9E63-4C9A-8EBA-10C8C870063A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*",
"matchCriteriaId": "F0133207-2EED-4625-854F-8DB7770D5BF7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*",
"matchCriteriaId": "171D1C08-F055-44C0-913C-AA2B73AF5B72",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:*",
"matchCriteriaId": "05748BB1-0D48-4097-932E-E8E2E574FD8D",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:*",
"matchCriteriaId": "55EB4B27-6264-45BE-9A22-BE8418BB0C06",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt7663:-:*:*:*:*:*:*:*",
"matchCriteriaId": "10C79211-F064-499D-914E-0BACD038FBF4",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3AB22996-9C22-4B6C-9E94-E4C055D16335",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*",
"matchCriteriaId": "DD5AA441-5381-4179-89EB-1642120F72B4",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*",
"matchCriteriaId": "490CD97B-021F-4350-AEE7-A2FA866D5889",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*",
"matchCriteriaId": "40A9E917-4B34-403F-B512-09EEBEA46811",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
]