5.5

CVE-2025-20687: mediatek, inc. mt7902, mt7920, mt7921, mt7922, mt7925, mt7927 Out-of-bounds Read

CVSS: 5.5v3.1MediumAnalyzed
Published 08-07-2025Last modified 08-07-2025
Open JSON

Vulnerability summary

CVE-2025-20687 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in mediatek, inc. mt7902, mt7920, mt7921, mt7922, mt7925, mt7927. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.4% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-07-2025
    PublishedVulnerability first disclosed.
  2. 08-07-2025
    Last modifiedVulnerability information updated.

Description

In Bluetooth driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00418045; Issue ID: MSV-3481.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

+0.02 pp

From 0.15% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mediatek1 product
Mediatek, inc.1 product

2 vendors · 2 products

References

1 links