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Vulnerability record · CVE-2026-20504 · published 7 September 2026

CVE-2026-20504: Mediatek mt2735 firmware vulnerability

Mediatek · Mt2735 Firmware

In Modem, there is a possible system crash due to a missing bounds check. 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: MOLY00755024; Issue ID: MSV-7865.

5.3 CVSS 3.1 Medium EPSS 0.19% · top 92.0% CWE-617 · CWE-617
5.3CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
19Affected product versions listed by NVD
1References
9 Sep 2026Last modified by NVD

Description

In Modem, there is a possible system crash due to a missing bounds check. 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: MOLY00755024; Issue ID: MSV-7865.

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

19 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.mediatek.com/product-security-bulletin/September-2026 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-20504), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.