Improper input validation in MediaTek MT6890, MT7915, MT7916, MT7981, MT7986
Priority HIGH 82CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- 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-787 and the CVSS impact.
Summary
In wlan service, there is a possible out of bounds write due to improper input validation. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation Patch ID: WCNCR00350938; Issue ID: MSV-1132.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.46609 98th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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, MT7915, MT7916, MT7981, MT7986 | SDK version 7.4.0.1 and before (for MT7915) / SDK version 7.6.7.0 and before (for MT7916, MT7981 and MT7986) / OpenWrt 19.07, 21.02 | — | No fix listed | CNA |
- MT6890, MT7915, MT7916, MT7981, MT7986 VendorMediaTek Affected SDK version 7.4.0.1 and before (for MT7915) / SDK version 7.6.7.0 and before (for MT7916, MT7981 and MT7986) / OpenWrt 19.07, 21.02 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* | up to 7.4.0.1 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* | up to 7.6.7.0 | Vulnerable | 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:-:*:*:*:*:*:* | 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:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* Versions up to 7.4.0.1 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* Versions up to 7.6.7.0 Vulnerable ·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
- 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-20017
- 2026-10-03 Alias added: GHSA-qr26-2mpm-7j4x
- 2026-11-03 CISA SSVC decision points changed
References
Exploit 2
More MediaTek Software Development Kit vulnerabilities
- 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-2025-14745 Incorrect authorization in MediaTek MT6890, MT6990, MT7915, MT7916, MT7981, MT7986… 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
Sources
- CVE-2024-20017 · CVE Program
- CVE-2024-20017 · NVD
- FIRST EPSS
- GHSA-qr26-2mpm-7j4x · GitHub Advisory Database · CC BY 4.0
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