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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-20680

26
FAUCET Score

CVE-2025-20680 is a critical out-of-bounds write vulnerability in MediaTek Bluetooth drivers (MT7902, MT7920, MT7921, MT7922, MT7925, MT7927, nbiot_sdk) that could lead to local escalation of privilege. With a CVSS score of 9.8, this vulnerability requires no user interaction or prior privileges for exploitation, making it highly severe. Although no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for complete compromise of confidentiality, integrity, and availability is significant. Organizations using affected MediaTek Bluetooth drivers should prioritize patching to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.6CPE matchmatch criteria
cpe:2.3:a:mediatek:nbiot_sdk:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 29th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

corp.mediatek.com / product-security-bulletin/July-2025
Vendor Advisory