Vulnerability details
CVE-2025-20709
MediaTek MT6890
CVSS 3.1
8.8High
Official description
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00415809; Issue ID: MSV-3405.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| MediaTek, Inc. | MT6890, MT7915, MT7916, MT7981, MT7986 | SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890) | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2025-10-14
- Last updated
- 2026-02-26
- State
- Published
- Assigner (CNA)
- MediaTek
Exploit prediction (EPSS)
0.3%
Probability of exploitation in 30 days
23.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-120Classic Buffer Overflow