Home/CVE/In wlan service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote cod
CVE

CVE-2025-20654

In wlan service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote cod

In wlan service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00406897.

Issue ID: MSV-2875.

CRITICAL · CVSS 9.8 EPSS 0.00784
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

9
mediatek software development kit<= 7.4.0.1
mediatek mt7622all versions
mediatek mt7915all versions
mediatek software development kit<= 7.6.7.0
mediatek mt7916all versions
mediatek mt7981all versions
mediatek mt7986all versions
openwrtall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@mediatek.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Apr 2025 · 04:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://corp.mediatek.com/product-security-bulletin/April-2025Vendor Advisory
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