Is CVE-2025-20659 actively exploited?

CVE-2025-20659 has no public evidence of in-the-wild exploitation as of 2026-02-17.

What is the CVSS score for CVE-2025-20659?

CVE-2025-20659 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2025-20659?

Patch guidance is available from mediatek security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-20659.

CVE-2025-20659 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-20659?

85 products: mediatek mt2735 firmware, mediatek mt2737 firmware, mediatek mt6739 firmware, mediatek mt6761 firmware, mediatek mt6762 firmware, and 80 more.

Description

In Modem, there is a possible system crash due to improper input validation. 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 needed. User interaction is not needed for exploitation. Patch ID: MOLY01519028; Issue ID: MSV-2768.

CVSS Metrics

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: adjacent network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-125 · Out-of-bounds Read CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: MEDIATEK
Published: 4/7/2025
Last Modified: 2/17/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mediatek : mt2735_firmwaremediatek : mt2737_firmwaremediatek : mt6739_firmwaremediatek : mt6761_firmwaremediatek : mt6762_firmwaremediatek : mt6762d_firmwaremediatek : mt6762m_firmwaremediatek : mt6763_firmwaremediatek : mt6765_firmwaremediatek : mt6765t_firmwaremediatek : mt6767_firmwaremediatek : mt6768_firmwaremediatek : mt6769_firmwaremediatek : mt6769k_firmwaremediatek : mt6769s_firmwaremediatek : mt6769t_firmwaremediatek : mt6769z_firmwaremediatek : mt6771_firmwaremediatek : mt6779_firmwaremediatek : mt6781_firmwaremediatek : mt6783_firmwaremediatek : mt6785_firmwaremediatek : mt6785t_firmwaremediatek : mt6785u_firmwaremediatek : mt6789_firmwaremediatek : mt6813_firmwaremediatek : mt6833_firmwaremediatek : mt6833p_firmwaremediatek : mt6835_firmwaremediatek : mt6835t_firmwaremediatek : mt6853_firmwaremediatek : mt6853t_firmwaremediatek : mt6855_firmwaremediatek : mt6855t_firmwaremediatek : mt6873_firmwaremediatek : mt6875_firmwaremediatek : mt6875t_firmwaremediatek : mt6877_firmwaremediatek : mt6877t_firmwaremediatek : mt6877tt_firmwaremediatek : mt6878_firmwaremediatek : mt6878m_firmwaremediatek : mt6879_firmwaremediatek : mt6880_firmwaremediatek : mt6883_firmwaremediatek : mt6885_firmwaremediatek : mt6886_firmwaremediatek : mt6889_firmwaremediatek : mt6890_firmwaremediatek : mt6891_firmwaremediatek : mt6893_firmwaremediatek : mt6895_firmwaremediatek : mt6895tt_firmwaremediatek : mt6896_firmwaremediatek : mt6897_firmwaremediatek : mt6899_firmwaremediatek : mt6980_firmwaremediatek : mt6980d_firmwaremediatek : mt6983_firmwaremediatek : mt6983t_firmwaremediatek : mt6985_firmwaremediatek : mt6985t_firmwaremediatek : mt6989_firmwaremediatek : mt6989t_firmwaremediatek : mt6990_firmwaremediatek : mt6991_firmwaremediatek : mt8666_firmwaremediatek : mt8667_firmwaremediatek : mt8673_firmwaremediatek : mt8675_firmwaremediatek : mt8676_firmwaremediatek : mt8678_firmwaremediatek : mt8765_firmwaremediatek : mt8766_firmwaremediatek : mt8768_firmwaremediatek : mt8771_firmwaremediatek : mt8781_firmwaremediatek : mt8786_firmwaremediatek : mt8788_firmwaremediatek : mt8788e_firmwaremediatek : mt8791t_firmwaremediatek : mt8796_firmwaremediatek : mt8797_firmwaremediatek : mt8798_firmwaremediatek : mt8863_firmware

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-20659. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-20659

View on NIST NVD

CVE-2025-20659 vulnerability