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.
Conclusion & alert: CVE-2025-20659 is rated Moderate Risk (44/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.28%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-20 | 0.23% | 0.28% | +0.05% |
| 2 | 2026-02-18 | 0.72% | 0.23% | -0.49% |
| 3 | 2026-02-01 | — | 0.72% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mediatek | mt2735_firmware | — | cpe:2.3:o:mediatek:mt2735_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt2737_firmware | — | cpe:2.3:o:mediatek:mt2737_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6739_firmware | — | cpe:2.3:o:mediatek:mt6739_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6761_firmware | — | cpe:2.3:o:mediatek:mt6761_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6762_firmware | — | cpe:2.3:o:mediatek:mt6762_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6762d_firmware | — | cpe:2.3:o:mediatek:mt6762d_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6762m_firmware | — | cpe:2.3:o:mediatek:mt6762m_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6763_firmware | — | cpe:2.3:o:mediatek:mt6763_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6765_firmware | — | cpe:2.3:o:mediatek:mt6765_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6765t_firmware | — | cpe:2.3:o:mediatek:mt6765t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6767_firmware | — | cpe:2.3:o:mediatek:mt6767_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6768_firmware | — | cpe:2.3:o:mediatek:mt6768_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6769_firmware | — | cpe:2.3:o:mediatek:mt6769_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6769k_firmware | — | cpe:2.3:o:mediatek:mt6769k_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6769s_firmware | — | cpe:2.3:o:mediatek:mt6769s_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6769t_firmware | — | cpe:2.3:o:mediatek:mt6769t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6769z_firmware | — | cpe:2.3:o:mediatek:mt6769z_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6771_firmware | — | cpe:2.3:o:mediatek:mt6771_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6779_firmware | — | cpe:2.3:o:mediatek:mt6779_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6781_firmware | — | cpe:2.3:o:mediatek:mt6781_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6783_firmware | — | cpe:2.3:o:mediatek:mt6783_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6785_firmware | — | cpe:2.3:o:mediatek:mt6785_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6785t_firmware | — | cpe:2.3:o:mediatek:mt6785t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6785u_firmware | — | cpe:2.3:o:mediatek:mt6785u_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6789_firmware | — | cpe:2.3:o:mediatek:mt6789_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6813_firmware | — | cpe:2.3:o:mediatek:mt6813_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6833_firmware | — | cpe:2.3:o:mediatek:mt6833_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6833p_firmware | — | cpe:2.3:o:mediatek:mt6833p_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6835_firmware | — | cpe:2.3:o:mediatek:mt6835_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6835t_firmware | — | cpe:2.3:o:mediatek:mt6835t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6853_firmware | — | cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6853t_firmware | — | cpe:2.3:o:mediatek:mt6853t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6855_firmware | — | cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6855t_firmware | — | cpe:2.3:o:mediatek:mt6855t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6873_firmware | — | cpe:2.3:o:mediatek:mt6873_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6875_firmware | — | cpe:2.3:o:mediatek:mt6875_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6875t_firmware | — | cpe:2.3:o:mediatek:mt6875t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6877_firmware | — | cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6877t_firmware | — | cpe:2.3:o:mediatek:mt6877t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6877tt_firmware | — | cpe:2.3:o:mediatek:mt6877tt_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6878_firmware | — | cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6878m_firmware | — | cpe:2.3:o:mediatek:mt6878m_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6879_firmware | — | cpe:2.3:o:mediatek:mt6879_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6880_firmware | — | cpe:2.3:o:mediatek:mt6880_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6883_firmware | — | cpe:2.3:o:mediatek:mt6883_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6885_firmware | — | cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6886_firmware | — | cpe:2.3:o:mediatek:mt6886_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6889_firmware | — | cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6890_firmware | — | cpe:2.3:o:mediatek:mt6890_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6891_firmware | — | cpe:2.3:o:mediatek:mt6891_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6893_firmware | — | cpe:2.3:o:mediatek:mt6893_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6895_firmware | — | cpe:2.3:o:mediatek:mt6895_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6895tt_firmware | — | cpe:2.3:o:mediatek:mt6895tt_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6896_firmware | — | cpe:2.3:o:mediatek:mt6896_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6897_firmware | — | cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6899_firmware | — | cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6980_firmware | — | cpe:2.3:o:mediatek:mt6980_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6980d_firmware | — | cpe:2.3:o:mediatek:mt6980d_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6983_firmware | — | cpe:2.3:o:mediatek:mt6983_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6983t_firmware | — | cpe:2.3:o:mediatek:mt6983t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6985_firmware | — | cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6985t_firmware | — | cpe:2.3:o:mediatek:mt6985t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6989_firmware | — | cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6989t_firmware | — | cpe:2.3:o:mediatek:mt6989t_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6990_firmware | — | cpe:2.3:o:mediatek:mt6990_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt6991_firmware | — | cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8666_firmware | — | cpe:2.3:o:mediatek:mt8666_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8667_firmware | — | cpe:2.3:o:mediatek:mt8667_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8673_firmware | — | cpe:2.3:o:mediatek:mt8673_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8675_firmware | — | cpe:2.3:o:mediatek:mt8675_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8676_firmware | — | cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8678_firmware | — | cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8765_firmware | — | cpe:2.3:o:mediatek:mt8765_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8766_firmware | — | cpe:2.3:o:mediatek:mt8766_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8768_firmware | — | cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8771_firmware | — | cpe:2.3:o:mediatek:mt8771_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8781_firmware | — | cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8786_firmware | — | cpe:2.3:o:mediatek:mt8786_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8788_firmware | — | cpe:2.3:o:mediatek:mt8788_firmware:-:*:*:*:*:*:*:* |
| mediatek | mt8788e_firmware | — | cpe:2.3:o:mediatek:mt8788e_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://corp.mediatek.com/product-security-bulletin/April-2025 | Vendor Advisory |