Medium 6.5Published Feb 2, 2026

CVE-2026-20404In Modem, there is a possible system crash due to improper input validation.

Updated under an hour ago (Oct 26, 2026, 2:50 PM ET)

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It affects MediaTek, Inc. MediaTek chipset and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for MediaTek, Inc. MediaTek chipset

Exploited in the last 30 days

In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01689248; Issue ID: MSV-4837.

CVSS: 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-787
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: Modified
Record last updated: Mar 30, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MediaTek, Inc. MediaTek chipset mediatek:chipset (from the name)	MT2735; MT2737; MT6813; MT6815; MT6833; MT6835; MT6853; MT6855; and 44 more ranges	CNA record
mediatek nr15 mediatek:nr15	all versions	NVD
mediatek nr16 mediatek:nr16	all versions	NVD
mediatek nr17 mediatek:nr17	all versions	NVD
mediatek nr17r mediatek:nr17r	all versions	NVD

References

References

https://corp.mediatek.com/product-security-bulletin/February-2026	vendor-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.