9.8

CVE-2025-20674: mediatek, inc. mt6890, mt6990, mt7915, mt7916, mt7981, mt7986, mt7990, mt7992, mt7993 Incorrect Authorization

CVSS: 9.8v3.1CriticalAnalyzed
Published 02-06-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-20674 is a critical (CVSS 9.8) Incorrect Authorization vulnerability in mediatek, inc. mt6890, mt6990, mt7915, mt7916, mt7981, mt7986, mt7990, mt7992, mt7993. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.77%
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. 02-06-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.77% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.77%

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
Openwrt1 product
  • openwrtEOL19.07.0 | 21.02.0 | 23.05

3 vendors · 3 products

References

1 links