CVE-2025-20737In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check.
Updated under an hour ago ()
Does this affect you?
It affects MediaTek, Inc. MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986 and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435343; Issue ID: MSV-4040.
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- MediaTek
- NVD analysis
- Analyzed
- Record last updated
- Feb 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MediaTek, Inc. MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986 mediatek:mt6890_mt7615_mt7622_mt7663_mt7915_mt7916_mt7981_mt7986 (from the name) | Versions:SDK release 7.6.7.2 and before / openWRT 19.07, 21.02 | CNA record |
mediatek software_development_kit mediatek:software_development_kit | through 7.6.7.2 | NVD |
openwrt openwrt openwrt:openwrt | 19.07.0; 21.02.0 | NVD |
References
- https://corp.mediatek.com/product-security-bulletin/November-2025vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.