What is CVE-2025-20759?

CVE-2025-20759 is a medium-severity vulnerability in Mediatek Mt2735, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2025-12-02.

How severe is CVE-2025-20759?

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

Out-of-bounds Read in Mediatek Mt2735

CVE-2025-20759

In Modem, there is a possible out of bounds read 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…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (31.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Mediatek Mt2735
Mediatek Mt2737
Mediatek Mt6833
Mediatek Mt6833p
Mediatek Mt6853
Mediatek Mt6853t
Mediatek Mt6855
Mediatek Mt6855t
Mediatek Mt6873
Mediatek Mt6875

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20759?: CVE-2025-20759 is a medium-severity vulnerability in Mediatek Mt2735, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2025-12-02.
How severe is CVE-2025-20759?: Medium severity. CVSS v3 base score is 6.5 out of 10.