8.8

CVE-2025-20633: mediatek, inc. mt7603, mt7615, mt7622, mt7915 Out-of-bounds Write

CVSS: 8.8v3.1HighModified
Published 03-02-2025Last modified 18-03-2025
Open JSON

Vulnerability summary

CVE-2025-20633 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in mediatek, inc. mt7603, mt7615, mt7622, mt7915. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.7% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-02-2025
    PublishedVulnerability first disclosed.
  2. 18-03-2025
    Last modifiedVulnerability information updated.

Description

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00400889; Issue ID: MSV-2491.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

0.00 pp

From 0.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.33%

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