CVE catalog
CVE-2026-20449
In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.22% · Oct 25, 2026
In Modem, there is a possible system crash due to a heap buffer overflow. 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: MOLY01760138; Issue ID: MSV-6148.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | mt6763_firmware | Not reported | Not reported | unknown |
| Cpe | mt6765_firmware | Not reported | Not reported | unknown |
| Cpe | mt6767_firmware | Not reported | Not reported | unknown |
| Cpe | mt6768_firmware | Not reported | Not reported | unknown |
| Cpe | mt6769_firmware | Not reported | Not reported | unknown |
| Cpe | mt6771_firmware | Not reported | Not reported | unknown |
| Cpe | mt6779_firmware | Not reported | Not reported | unknown |
| Cpe | mt6781_firmware | Not reported | Not reported | unknown |
| Cpe | mt6783_firmware | Not reported | Not reported | unknown |
| Cpe | mt6785_firmware | Not reported | Not reported | unknown |
| Cpe | mt6789_firmware | Not reported | Not reported | unknown |
| Cpe | mt6813_firmware | Not reported | Not reported | unknown |
| Cpe | mt6815_firmware | Not reported | Not reported | unknown |
| Cpe | mt6833_firmware | Not reported | Not reported | unknown |
| Cpe | mt6835_firmware | Not reported | Not reported | unknown |
| Cpe | mt6853_firmware | Not reported | Not reported | unknown |
| Cpe | mt6855_firmware | Not reported | Not reported | unknown |
| Cpe | mt6858_firmware | Not reported | Not reported | unknown |
| Cpe | mt6873_firmware | Not reported | Not reported | unknown |
| Cpe | mt6875_firmware | Not reported | Not reported | unknown |
| Android | :unknown: | Not reported | SoCVersion | vulnerable |
| Android | :unknown: | Not reported | SoCVersion:2026-06-05 | fixed |
| Cpe | mt6763_firmware | Not reported | Not reported | unknown |
| Cpe | mt6765_firmware | Not reported | Not reported | unknown |
| Cpe | mt6767_firmware | Not reported | Not reported | unknown |
| Cpe | mt6768_firmware | Not reported | Not reported | unknown |
| Cpe | mt6769_firmware | Not reported | Not reported | unknown |
| Cpe | mt6771_firmware | Not reported | Not reported | unknown |
| Cpe | mt6779_firmware | Not reported | Not reported | unknown |
| Cpe | mt6781_firmware | Not reported | Not reported | unknown |
| Cpe | mt6783_firmware | Not reported | Not reported | unknown |
| Cpe | mt6785_firmware | Not reported | Not reported | unknown |
| Cpe | mt6789_firmware | Not reported | Not reported | unknown |
| Cpe | mt6813_firmware | Not reported | Not reported | unknown |
| Cpe | mt6815_firmware | Not reported | Not reported | unknown |
| Cpe | mt6833_firmware | Not reported | Not reported | unknown |
| Cpe | mt6835_firmware | Not reported | Not reported | unknown |
| Cpe | mt6853_firmware | Not reported | Not reported | unknown |
| Cpe | mt6855_firmware | Not reported | Not reported | unknown |
| Cpe | mt6858_firmware | Not reported | Not reported | unknown |
| Cpe | mt6873_firmware | Not reported | Not reported | unknown |
| Cpe | mt6875_firmware | Not reported | Not reported | unknown |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Android | :unknown: | Android | Not reported | SoCVersion:2026-06-05 | Not reported | ASB-A-488935936 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://corp.mediatek.com/product-security-bulletin/May-2026]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-20449]
- [https://osv.dev/vulnerability/ASB-A-488935936]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1772.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]