Mediatek Mt6858 Firmware — known CVE vulnerabilities

Every CVE whose affected-product data names Mediatek Mt6858 Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (2)

• CVE-2026-20449 — CVSS 6.5 (medium): In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has…
• CVE-2026-20450 — CVSS 6.5 (medium): In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service, if a UE has…