Paper/Archive/CVE-2025-20674

CVE-2025-20674

MediaTek, Inc. MT6890, MT6990, MT7915, MT7916, MT7981, MT7986, MT7990, MT7992, MT7993 — In wlan AP driver, there is a possible way to inject arbitrary packet due to a missing permission check.

EPSS 0.8%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 56.3.563 × 2011.3 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

MT6890, MT6990, MT7915, MT7916, MT7981, MT7986, MT7990, MT7992, MT7993SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890) / OpenWrt 21.02, 23.05 (MT6990)–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcorp.mediatek.com/product-security-bulletin/June-2025