CVE-2023-48426
CVE-2023-48426 is a critical-severity vulnerability in Google Chromecast Firmware with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.
Key facts
- Severity: Critical (CVSS 3.x base score 10.0)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-52477
- Weakness: CWE-306
- Affected product: Google Chromecast Firmware
- Published:
- Last modified:
Description
u-boot bug that allows for u-boot shell and interrupt over UART
Frequently asked questions
- What is CVE-2023-48426?
- u-boot bug that allows for u-boot shell and interrupt over UART
- How severe is CVE-2023-48426?
- CVE-2023-48426 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-48426 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-48426?
- CVE-2023-48426 affects Google Chromecast Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-48426?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2023-48426 have an EU (EUVD) identifier?
- Yes. CVE-2023-48426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-52477.
- When was CVE-2023-48426 published?
- CVE-2023-48426 was published on 2024-04-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:google:chromecast_firmware:5.0:*:*:*:*:*:*:*
More vulnerabilities in Google Chromecast Firmware
- CVE-2023-6181 — Critical (CVSS 9.8): An oversight in BCB handling of reboot reason that allows for persistent code execution
- CVE-2023-48425 — Critical (CVSS 9.8): U-Boot vulnerability resulting in persistent Code Execution
- CVE-2023-48424 — Critical (CVSS 9.8): U-Boot shell vulnerability resulting in Privilege escalation in a production device
- CVE-2023-48417 — Critical (CVSS 9.8): Missing Permission checks resulting in unauthorized access and Manipulation in KeyChainActivity Application
- CVE-2018-12716 — Medium (CVSS 4.3): The API service on Google Home and Chromecast devices before mid-July 2018 does not prevent DNS rebinding attacks from…
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