CVE-2024-23978: Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier

This month

CRITICAL 9.8REMOTEMITIGATE

CVE-2024-23978 is a critical-severity flaw (CVSS 9.8) affecting home spot cube 2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. By processing invalid values, arbitrary code may be executed. Note that the affected products are no longer supported.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-787
Published	2024-02-02
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: kddi

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

Am I affected?

Timeline

2024-02-02 07:15 UTCPublished CVE record published
2026-06-17 07:13 UTCUpdated Record last modified

kddi home spot cube 2 firmware MITIGATE

Affected: v102

Fixed in: no fixed release known

Safe to downgrade to: a release before v102

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-2024-23978?

home spot cube 2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-23978 being exploited?

CVE-2024-23978 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-2024-23978 affect?

CVE-2024-23978 affects home spot cube 2 firmware. Severity is critical (CVSS 9.8). Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. By processing invalid values, arbitrary code may be executed. Note that the affected products are no longer supported.

How urgent is CVE-2024-23978?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-21780 HIGH 7.5 MITIGATE Stack-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier

References

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