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High 7.8Published Nov 4, 2025

CVE-2025-20733In 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: WCNCR00441509; Issue ID: MSV-4138.

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-122
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

Affected products
MediaTek, Inc. MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
mediatek:mt6890_mt7615_mt7622_mt7663_mt7915_mt7916_mt7981_mt7986 (from the name)
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

References

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.

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