CVE-2026-20541
mediumIn Modem, there is a possible out of bounds read due to a missing permission check.
Vendor / product: Mediatek — mt6985 firmware
In Modem, there is a possible out of bounds read due to a missing permission 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: MOLY01774038; Issue ID: MSV-8911.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-10-05 02:16
Modified: 2026-10-09 17:36
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-27 06:57 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
mediatek / mt6985_firmware all versions
mediatek / mt6986_firmware all versions
mediatek / mt6988_firmware all versions
mediatek / mt6989_firmware all versions
mediatek / mt6990_firmware all versions
mediatek / mt6991_firmware all versions
mediatek / mt6993_firmware all versions
mediatek / mt8666_firmware all versions
mediatek / mt8667_firmware all versions
mediatek / mt8668_firmware all versions
mediatek / mt8673_firmware all versions
mediatek / mt8675_firmware all versions
mediatek / mt8676_firmware all versions
mediatek / mt8678_firmware all versions
mediatek / mt8755_firmware all versions
mediatek / mt8765_firmware all versions
mediatek / mt8766_firmware all versions
mediatek / mt8766r_firmware all versions
mediatek / mt8768_firmware all versions
mediatek / mt8771_firmware all versions
mediatek / mt8775_firmware all versions
mediatek / mt8781_firmware all versions
mediatek / mt8786_firmware all versions
mediatek / mt8788_firmware all versions
mediatek / mt8788e_firmware all versions
mediatek / mt8789_firmware all versions
mediatek / mt8791_firmware all versions
mediatek / mt8791t_firmware all versions
mediatek / mt8792_firmware all versions
mediatek / mt8793_firmware all versions
mediatek / mt8795t_firmware all versions
mediatek / mt8796_firmware all versions
mediatek / mt8797_firmware all versions
mediatek / mt8798_firmware all versions
mediatek / mt8863_firmware all versions
mediatek / mt8873_firmware all versions
mediatek / mt8883_firmware all versions
mediatek / mt8893_firmware all versions
mediatek / mt2716_firmware all versions
mediatek / mt2735_firmware all versions
mediatek / mt2737_firmware all versions
mediatek / mt6739_firmware all versions
mediatek / mt6761_firmware all versions
mediatek / mt6762_firmware all versions
mediatek / mt6763_firmware all versions
mediatek / mt6765_firmware all versions
mediatek / mt6767_firmware all versions
mediatek / mt6768_firmware all versions
mediatek / mt6769_firmware all versions
mediatek / mt6771_firmware all versions
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.mediatek.com/product-security-bulletin/October-2026
References
- https://www.mediatek.com/product-security-bulletin/October-2026 security@mediatek.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:57 UTC · record ↗