What is the CVSS score of CVE-2025-20674?

CVE-2025-20674 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of Openwrt are affected by CVE-2025-20674?

A critical vulnerability in wireless access point drivers allows remote attackers to inject arbitrary packets and escalate privileges without authentication or user interaction, potentially…

How to fix or mitigate CVE-2025-20674?

Within 24 hours: Inventory all wireless access points and identify affected models/firmware versions; isolate critical APs from production if possible and enable enhanced monitoring. Within 7 days: Implement network segmentation to restrict AP management access, disable non-essential wireless features if applicable, and establish daily vulnerability scanning for exploitation attempts. Within 30 days: Monitor vendor patch availability and establish expedited deployment procedures; conduct post-patch network security assessment and review wireless access logs for signs of compromise.

Openwrt CVE-2025-20674

EUVD-2025-16597 CRITICAL

Incorrect Authorization (CWE-863)

2025-06-02 security@mediatek.com

Privilege Escalation Code Injection Openwrt Software Development Kit

9.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 16:47 euvd

EUVD-2025-16597

Analysis Generated

Mar 14, 2026 - 16:47 vuln.today

CVE Published

Jun 02, 2025 - 03:15 nvd

CRITICAL 9.8

DescriptionNVD

In wlan AP driver, there is a possible way to inject arbitrary packet due to a missing permission check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413202; Issue ID: MSV-3303.

AnalysisAI

Remote privilege escalation in Android WLAN AP driver via packet injection.

Technical ContextAI

CWE-863.

RemediationAI

Apply security update.

CVE-2025-20674 vulnerability details – vuln.today

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Openwrt CVE-2025-20674

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code