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CVE-2018-11631: Rondaful M1 Wristband Smart Band 1 devices allow remote attackers to send an arbitrary number of call or SMS n

37
Routine
MEDIUM 4.3MITIGATE

CVE-2018-11631 is a medium-severity flaw (CVSS 4.3) affecting rondaful m1 wristband smart band 1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Rondaful M1 Wristband Smart Band 1 devices allow remote attackers to send an arbitrary number of call or SMS notifications via crafted Bluetooth Low Energy (BLE) traffic.

Why this priority

  • Public exploit reference

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

Risk facts

CVSS score4.3 (Medium)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.2% (top 32%)
CISA exploited listNo
Published2018-05-31
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: rondaful project

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

Am I affected?

Timeline

rondaful project rondaful m1 wristband smart band 1 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-2018-11631?

rondaful m1 wristband smart band 1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-11631 being exploited?

CVE-2018-11631 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-2018-11631 affect?

CVE-2018-11631 affects rondaful m1 wristband smart band 1 firmware. Severity is medium (CVSS 4.3). Rondaful M1 Wristband Smart Band 1 devices allow remote attackers to send an arbitrary number of call or SMS notifications via crafted Bluetooth Low Energy (BLE) traffic.

How urgent is CVE-2018-11631?

Priority 37/100. Public exploit reference

Software pages

Bluetooth vulnerabilities

References

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