Out-of-bounds write in MediaTek MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622…
Priority LOW 29CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- 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 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420037; Issue ID: GN20220420037.
Why it matters now
EPSS 0.00261 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MediaTek | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 | 7.6.2.3 | — | No fix listed | CNA |
- MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 VendorMediaTek Affected 7.6.2.3 Fixed in — No fix listed CNA
CPE configurations NVD · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mediatek:mt7603_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7603:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7610_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7610:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7612_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7612:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7613_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7613:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7615_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
- cpe:2.3:o:mediatek:mt7603_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7603:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7610_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7610:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7612_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7612:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7613_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7613:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7615_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mediatek:mt7620_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7620:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7622_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7628_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7628:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7629_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7629:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7915_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7916_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7986_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt8981_firmware:7.6.2.3:*:*:*:*:*:*:* | 7.6.2.3 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt8981:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
- cpe:2.3:o:mediatek:mt7620_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7620:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7622_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7628_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7628:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7629_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7629:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7915_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7916_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7986_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt8981_firmware:7.6.2.3:*:*:*:*:*:*:* Versions 7.6.2.3 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt8981:-:*:*:*:*:*:*:* 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-2022-26440
- 2026-10-03 Alias added: GHSA-2f8w-j2jp-gfr6
References
More MediaTek Mt7603 Firmware vulnerabilities
- TI-2022-14284 In Wi-Fi, there is a possible low throughput due to misrepresentation of critical… CVSS 3.1HIGH 7.5
- TI-2022-14281 NULL pointer dereference in MediaTek MT5221, MT7603, MT7613, MT7615, MT7622, MT7628… CVSS 3.1HIGH 7.5
- TI-2022-14280 Improper handling of exceptional conditions in MediaTek MT7603, MT7613, MT7615, MT7622… CVSS 3.1MEDIUM 6.7
- TI-2022-14279 Improper handling of exceptional conditions in MediaTek MT7603, MT7613, MT7615, MT7622… CVSS 3.1MEDIUM 6.7
- TI-2022-14278 Improper handling of exceptional conditions in MediaTek MT7603, MT7613, MT7615, MT7622… CVSS 3.1MEDIUM 6.7
- TI-2022-14277 In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. CVSS 3.1MEDIUM 6.7
Sources
- CVE-2022-26440 · CVE Program
- CVE-2022-26440 · NVD
- FIRST EPSS
- GHSA-2f8w-j2jp-gfr6 · GitHub Advisory Database · CC BY 4.0
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