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Openwrt CVE-2025-20689

| EUVD-2025-20363 MEDIUM
Out-of-bounds Read (CWE-125)
2025-07-08 security@mediatek.com
Buffer Overflow Information Disclosure Openwrt Software Development Kit
5.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20363
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
CVE Published
Jul 08, 2025 - 03:15 nvd
MEDIUM 5.5

DescriptionNVD

In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00418048; Issue ID: MSV-3479.

Analysis

In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00418048; Issue ID: MSV-3479.

Technical ContextAI

An out-of-bounds memory access occurs when code reads from or writes to memory locations outside the intended buffer boundaries. This vulnerability is classified as Out-of-bounds Read (CWE-125).

RemediationAI

Implement proper bounds checking on all array and buffer accesses. Use memory-safe languages or static analysis tools to detect OOB issues.

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CVE-2025-20689 vulnerability details – vuln.today
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