What is CVE-2025-20710?

CVE-2025-20710 is a high-severity vulnerability in Mediatek Mt6890, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2025-10-14.

How severe is CVE-2025-20710?

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

Integer overflow in Mediatek Mt6890

CVE-2025-20710

In wlan AP driver, there is a possible out of bounds write due to an integer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for…

Vulnerability class: Integer Overflow

EPSS: 0.003 (18.5th 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

Mediatek Mt6890
Mediatek Mt7915
Mediatek Mt7916
Mediatek Mt7981
Mediatek Mt7986
Mediatek Software_development_kit
Mediatek, Inc. Mt6890, Mt7915, Mt7916, Mt7981, Mt7986 — versions SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)
Openwrt — versions 19.07.0, 21.02.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20710?: CVE-2025-20710 is a high-severity vulnerability in Mediatek Mt6890, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2025-10-14.
How severe is CVE-2025-20710?: High severity. CVSS v3 base score is 8.8 out of 10.