CVE Tools
Sign in

CVE-2025-20734

Published: Nov 4, 2025Updated: Feb 26, 2026 Sources: CVE List NVDCWE-122
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.1%
Top 98.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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: WCNCR00441507; Issue ID: MSV-4112.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-122CWE-787

Affected Products

MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986MediaTek, Inc.
On-prem
Hardware Firmware / cpu-gpu
software development kitmediatek
LibraryLibrary
OSS Libraries / generic-library
openwrtopenwrt
EmbeddedOS
Operating Systems / linux-distro
mediatek, inc.commercialTWHardware Firmwareaka mediatek
mediatekcommercialTWOperating Systemsaka mediatek
openwrtoss-projectDEOperating Systemsaka lede

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://corp.mediatek.com/product-security-bulletin/November-2025
corp.mediatek.com

Timeline

Published
Nov 4, 2025
Last Updated
Feb 26, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-20734 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows