How severe is CVE-2026-58378?

CVE-2026-58378 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-58378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-58378?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-58378 published?

CVE-2026-58378 was published on 2026-07-09 and last updated on 2026-07-21.

CVE-2026-58378

CVE-2026-58378 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. 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-489.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.6
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-489
Published: 2026-07-09
Last modified: 2026-07-21

Description

Allwinner H616 TV Box TV98 has ADB enabled and exposed to the network on production. An attacker could request for ADB authorization and gain root level privileges if the victim allows access.

Frequently asked questions

What is CVE-2026-58378?: Allwinner H616 TV Box TV98 has ADB enabled and exposed to the network on production. An attacker could request for ADB authorization and gain root level privileges if the victim allows access.
How severe is CVE-2026-58378?: CVE-2026-58378 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-58378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-58378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-58378 published?: CVE-2026-58378 was published on 2026-07-09 and last updated on 2026-07-21.

References

Other CWE-489 vulnerabilities

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