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PatchSiren cyber security CVE debrief

CVE-2026-58378 Allwinner CVE debrief

The Allwinner H616 TV Box TV98 has a vulnerability due to ADB being enabled and exposed to the network on production. This allows an attacker to request ADB authorization and potentially gain root-level privileges if the victim allows access. The vulnerability has a CVSS score of 8.6, indicating high severity. Users of the affected product should verify that ADB is not exposed to the network and consider implementing compensating controls. The CVE record for CVE-2026-58378 was published on 2026-07-09T18:16:54.847Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. To address this vulnerability, it is crucial to assess the current configuration of the TV Box TV98 and ensure that ADB is properly secured or disabled if not required. Additionally, monitoring for suspicious activity related to ADB and implementing compensating controls can help mitigate potential risks.

Vendor
Allwinner
Product
H616
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-09
Original CVE updated
2026-07-21
Advisory published
2026-07-09
Advisory updated
2026-07-21

Who should care

Users of Allwinner H616 TV Box TV98, security teams responsible for managing and securing TV Box TV98 deployments, and operators who have the Allwinner H616 TV Box TV98 in their environment should verify that ADB is not exposed to the network. They should also consider implementing compensating controls to limit access to ADB and monitor for suspicious activity related to ADB. Furthermore, vulnerability management teams should prioritize patching or mitigating this vulnerability due to its high CVSS score and potential for root-level privileges.

Technical summary

The Allwinner H616 TV Box TV98 has ADB enabled and exposed to the network on production. An attacker could request ADB authorization and gain root-level privileges if the victim allows access. The CVSS score for this vulnerability is 8.6, indicating a high severity. The vulnerability class is related to insecure configuration of ADB, which allows unauthorized access. The likely operational impact includes potential unauthorized access and control of the affected device. The source-grounded technical framing indicates that the vulnerability is due to the exposed ADB service, and defenders should focus on securing or disabling ADB to mitigate the risk.

Defensive priority

High priority due to high CVSS score and potential for root-level privileges.

Recommended defensive actions

  • Verify that ADB is not exposed to the network on Allwinner H616 TV Box TV98
  • Implement compensating controls to limit access to ADB
  • Monitor for suspicious activity related to ADB
  • Review the current configuration of the TV Box TV98 to ensure ADB is properly secured or disabled if not required
  • Perform a thorough risk assessment to identify potential impacts of this vulnerability on the organization

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further investigation is needed to determine the full scope of the vulnerability and potential impact. The evidence is based on the CVE record published on 2026-07-09T18:16:54.847Z, which has not been modified since then. The NVD entry is currently awaiting analysis, and there may be additional information available as the analysis progresses. The vulnerability details are limited, and defenders should verify the current configuration of the affected product to assess potential exposure.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-09T18:16:54.847Z and has not been modified since then. The NVD entry is currently Awaiting Analysis.