What is CVE-2026-20450?

CVE-2026-20450 is a medium-severity vulnerability in Mediatek Mt2735, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2026-05-04.

How severe is CVE-2026-20450?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mediatek Mt2735

CVE-2026-20450

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 connected to a rogue base station controlled by the attacker, with no additional execution privileges need…

EPSS: 0.000 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mediatek Mt2735
Mediatek Mt2735_firmware
Mediatek Mt2737
Mediatek Mt2737_firmware
Mediatek Mt6833
Mediatek Mt6833_firmware
Mediatek Mt6835
Mediatek Mt6835_firmware
Mediatek Mt6853
Mediatek Mt6853_firmware

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20450?: CVE-2026-20450 is a medium-severity vulnerability in Mediatek Mt2735, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2026-05-04.
How severe is CVE-2026-20450?: Medium severity. CVSS v3 base score is 6.5 out of 10.