CVE-2025-20794
Summary
| CVE | CVE-2025-20794 |
|---|---|
| State | PUBLISHED |
| Assigner | MediaTek |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-01-06 02:15:43 UTC |
| Updated | 2026-09-30 23:10:00 UTC |
| 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: MOLY01689259 / MOLY01586470; Issue ID: MSV-4847. |
Risk And Classification
Primary CVSS: v3.1 6.5 MEDIUM from ADP
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.002770000 probability, percentile 0.180890000 (date 2026-09-29)
Problem Types: CWE-121 | CWE-121 CWE-121 Stack Overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 6.5 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 6.5 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Mediatek | Mt2735 | - | All | All | All |
| Hardware | Mediatek | Mt2737 | - | All | All | All |
| Hardware | Mediatek | Mt6813 | - | All | All | All |
| Hardware | Mediatek | Mt6815 | - | All | All | All |
| Hardware | Mediatek | Mt6833 | - | All | All | All |
| Hardware | Mediatek | Mt6835 | - | All | All | All |
| Hardware | Mediatek | Mt6853 | - | All | All | All |
| Hardware | Mediatek | Mt6855 | - | All | All | All |
| Hardware | Mediatek | Mt6873 | - | All | All | All |
| Hardware | Mediatek | Mt6875 | - | All | All | All |
| Hardware | Mediatek | Mt6877 | - | All | All | All |
| Hardware | Mediatek | Mt6878 | - | All | All | All |
| Hardware | Mediatek | Mt6879 | - | All | All | All |
| Hardware | Mediatek | Mt6880 | - | All | All | All |
| Hardware | Mediatek | Mt6883 | - | All | All | All |
| Hardware | Mediatek | Mt6885 | - | All | All | All |
| Hardware | Mediatek | Mt6886 | - | All | All | All |
| Hardware | Mediatek | Mt6889 | - | All | All | All |
| Hardware | Mediatek | Mt6890 | - | All | All | All |
| Hardware | Mediatek | Mt6891 | - | All | All | All |
| Hardware | Mediatek | Mt6893 | - | All | All | All |
| Hardware | Mediatek | Mt6895 | - | All | All | All |
| Hardware | Mediatek | Mt6896 | - | All | All | All |
| Hardware | Mediatek | Mt6897 | - | All | All | All |
| Hardware | Mediatek | Mt6899 | - | All | All | All |
| Hardware | Mediatek | Mt6980 | - | All | All | All |
| Hardware | Mediatek | Mt6983 | - | All | All | All |
| Hardware | Mediatek | Mt6985 | - | All | All | All |
| Hardware | Mediatek | Mt6986 | - | All | All | All |
| Hardware | Mediatek | Mt6989 | - | All | All | All |
| Hardware | Mediatek | Mt6990 | - | All | All | All |
| Hardware | Mediatek | Mt6991 | - | All | All | All |
| Hardware | Mediatek | Mt6993 | - | All | All | All |
| Hardware | Mediatek | Mt8673 | - | All | All | All |
| Hardware | Mediatek | Mt8675 | - | All | All | All |
| Hardware | Mediatek | Mt8676 | - | All | All | All |
| Hardware | Mediatek | Mt8678 | - | All | All | All |
| Hardware | Mediatek | Mt8755 | - | All | All | All |
| Hardware | Mediatek | Mt8771 | - | All | All | All |
| Hardware | Mediatek | Mt8791 | - | All | All | All |
| Hardware | Mediatek | Mt8791t | - | All | All | All |
| Hardware | Mediatek | Mt8792 | - | All | All | All |
| Hardware | Mediatek | Mt8793 | - | All | All | All |
| Hardware | Mediatek | Mt8795t | - | All | All | All |
| Hardware | Mediatek | Mt8797 | - | All | All | All |
| Hardware | Mediatek | Mt8798 | - | All | All | All |
| Hardware | Mediatek | Mt8863 | - | All | All | All |
| Hardware | Mediatek | Mt8873 | - | All | All | All |
| Hardware | Mediatek | Mt8883 | - | All | All | All |
| Hardware | Mediatek | Mt8893 | - | All | All | All |
| Operating System | Mediatek | Nr15 | - | All | All | All |
| Operating System | Mediatek | Nr16 | - | All | All | All |
| Operating System | Mediatek | Nr17 | - | All | All | All |
| Operating System | Mediatek | Nr17r | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT2735 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT2737 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6813 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6815 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6833 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6835 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6853 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6855 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6873 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6875 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6877 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6878 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6879 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6880 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6883 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6885 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6886 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6889 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6890 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6891 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6893 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6895 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6896 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6897 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6899 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6980 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6983 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6985 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6986 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6989 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6990 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6991 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6993 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8673 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8675 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8676 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8678 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8755 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8771 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8791 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8791T | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8792 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8793 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8795T | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8797 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8798 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8863 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8873 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8883 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8893 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| corp.mediatek.com/product-security-bulletin/January-2026 | [email protected] | corp.mediatek.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.