What is CVE-2025-20708?

CVE-2025-20708 is a high-severity vulnerability in Mediatek Mt2735, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2025-09-01.

How severe is CVE-2025-20708?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Mediatek Mt2735

CVE-2025-20708

In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege, 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: MOLY01123853; Issue ID: MSV-4131.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20708?: CVE-2025-20708 is a high-severity vulnerability in Mediatek Mt2735, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2025-09-01.
How severe is CVE-2025-20708?: High severity. CVSS v3 base score is 8.8 out of 10.