TI-2025-14745 Aliases CVE-2025-20674 GHSA-mxj6-x52w-4g7m

Incorrect authorization in MediaTek MT6890, MT6990, MT7915, MT7916, MT7981, MT7986…

MEDIUM 50CWE-863Published 2025-06-02 · Updated 2026-02-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00791 56th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
MediaTek	MT6890, MT6990, MT7915, MT7916, MT7981, MT7986, MT7990, MT7992, MT7993	SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890) / OpenWrt 21.02, 23.05 (MT6990)	—	No fix listed	CNA

MT6890, MT6990, MT7915, MT7916, MT7981, MT7986, MT7990, MT7992, MT7993 VendorMediaTek Affected SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890) / OpenWrt 21.02, 23.05 (MT6990) Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPE	Versions	Role	Vendor
cpe:2.3:o:openwrt:openwrt:19.07.0:-::::::	19.07.0	Vulnerable	openwrt
cpe:2.3:o:openwrt:openwrt:21.02.0:-::::::	21.02.0	Vulnerable	openwrt
cpe:2.3:h:mediatek:mt6890:-:::::::*	not specified by NVD	Running on	MediaTek
cpe:2.3:o:openwrt:openwrt:23.05:::::::*	23.05	Vulnerable	openwrt
cpe:2.3:h:mediatek:mt6990:-:::::::*	not specified by NVD	Running on	MediaTek
cpe:2.3:a:mediatek:software_development_kit::::::::	up to 7.6.7.2	Vulnerable	MediaTek
cpe:2.3:h:mediatek:mt7915:-:::::::*	not specified by NVD	Running on	MediaTek
cpe:2.3:h:mediatek:mt7916:-:::::::*	not specified by NVD	Running on	MediaTek
cpe:2.3:h:mediatek:mt7981:-:::::::*	not specified by NVD	Running on	MediaTek
cpe:2.3:h:mediatek:mt7986:-:::::::*	not specified by NVD	Running on	MediaTek

cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:* Versions 19.07.0 Vulnerable ·openwrt
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:* Versions 21.02.0 Vulnerable ·openwrt
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
cpe:2.3:o:openwrt:openwrt:23.05:*:*:*:*:*:*:* Versions 23.05 Vulnerable ·openwrt
cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* Versions up to 7.6.7.2 Vulnerable ·MediaTek
cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek

Show 3 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:h:mediatek:mt7990:-:::::::*	not specified by NVD	Running on	MediaTek
cpe:2.3:h:mediatek:mt7992:-:::::::*	not specified by NVD	Running on	MediaTek
cpe:2.3:h:mediatek:mt7993:-:::::::*	not specified by NVD	Running on	MediaTek

cpe:2.3:h:mediatek:mt7990:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
cpe:2.3:h:mediatek:mt7992:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
cpe:2.3:h:mediatek:mt7993:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-20674
2026-10-03 Alias added: GHSA-mxj6-x52w-4g7m

References

Advisory 1

https://corp.mediatek.com/product-security-bulletin/June-2025

TI-2024-13053 Improper input validation in MediaTek MT6890, MT7915, MT7916, MT7981, MT7986 CVSS 3.1CRITICAL 9.8
TI-2025-14754 Out-of-bounds write in MediaTek MT7615, MT7622, MT7663 CVSS 3.1CRITICAL 9.8
TI-2025-14753 Out-of-bounds write in MediaTek MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981… CVSS 3.1CRITICAL 9.8
TI-2025-14752 Out-of-bounds write in MediaTek MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981… CVSS 3.1CRITICAL 9.8
TI-2025-14751 Out-of-bounds write in MediaTek MT6890, MT7615, MT7622, MT7663, MT7915 CVSS 3.1CRITICAL 9.8
TI-2025-14726 Out-of-bounds write in MediaTek MT6890, MT7622, MT7915, MT7916, MT7981, MT7986 CVSS 3.1CRITICAL 9.8

See all 70 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences