Chromecast Bootloader & Kernel-level code-execution including compromise of user-data
Priority MEDIUM 48CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
u-boot bug that allows for u-boot shell and interrupt over UART
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00238 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chromecast | 5.0 | — | No fix listed | CNA |
- Chromecast VendorGoogle Affected 5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:google:chromecast_firmware:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | |
| cpe:2.3:h:google:chromecast_ga00439:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:h:google:chromecast_ga3a00403a14:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:h:google:chromecast_h2g2-42:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:h:google:chromecast_nc2-645b:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:h:google:chromecast_nc2-6a5:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:h:google:chromecast_nc2-6a5-d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:h:google:chromecast_rux-j42:-:*:*:*:*:*:*:* | not specified by NVD | Running on |
- cpe:2.3:o:google:chromecast_firmware:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Google
- cpe:2.3:h:google:chromecast_ga00439:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
- cpe:2.3:h:google:chromecast_ga3a00403a14:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
- cpe:2.3:h:google:chromecast_h2g2-42:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
- cpe:2.3:h:google:chromecast_nc2-645b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
- cpe:2.3:h:google:chromecast_nc2-6a5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
- cpe:2.3:h:google:chromecast_nc2-6a5-d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
- cpe:2.3:h:google:chromecast_rux-j42:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-48426
- 2026-10-03 Alias added: GHSA-g36v-5299-38pr
References
More Google Chromecast Firmware vulnerabilities
- TI-2023-26279 U-Boot vulnerability resulting in persistent Code Execution CVSS 3.1CRITICAL 9.8
- TI-2023-26278 U-Boot shell vulnerability resulting in Privilege escalation in a production device CVSS 3.1CRITICAL 9.8
- TI-2023-26271 Missing Permission checks resulting in unauthorized access and Manipulation in KeyChainActivity Application CVSS 3.1CRITICAL 9.8
- TI-2023-05678 An oversight in BCB handling of reboot reason that allows for persistent code execution CVSS 3.1CRITICAL 9.8
- TI-2018-09126 The API service on Google Home and Chromecast devices before mid-July 2018 does not… CVSS 3.0MEDIUM 4.3
Sources
- CVE-2023-48426 · CVE Program
- CVE-2023-48426 · NVD
- FIRST EPSS
- GHSA-g36v-5299-38pr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences