CVE-2019-15423: The Bluboo Bluboo_S1 Android device with a build fingerprint of BLUBOO/Bluboo_S1/Bluboo_S1:7.0/NRD90M/14958094

Routine

LOW 3.3MITIGATE

CVE-2019-15423 is a low-severity flaw (CVSS 3.3) affecting blueboo s1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Bluboo Bluboo_S1 Android device with a build fingerprint of BLUBOO/Bluboo_S1/Bluboo_S1:7.0/NRD90M/1495809471:user/release-keys contains a pre-installed app with a package name of com.mediatek.factorymode app (versionCode=1, versionName=1) that allows unauthorized wireless settings modification via a confused deputy attack. This capability can be accessed by any app co-located on the device.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-610
Published	2019-11-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bluboo s1 project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-11-14 17:15 UTCPublished CVE record published
2026-06-17 02:20 UTCUpdated Record last modified

bluboo s1 project blueboo s1 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-15423?

blueboo s1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-15423 being exploited?

CVE-2019-15423 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-15423 affect?

CVE-2019-15423 affects blueboo s1 firmware. Severity is low (CVSS 3.3). The Bluboo Bluboo_S1 Android device with a build fingerprint of BLUBOO/Bluboo_S1/Bluboo_S1:7.0/NRD90M/1495809471:user/release-keys contains a pre-installed app with a package name of com.mediatek.factorymode app (versionCode=1, versionName=

How urgent is CVE-2019-15423?

Priority 17/100. No elevated risk signals yet.

Software pages

Android vulnerabilities

References

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