Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier.

published 2024-02-02 2y ago modified 2026-06-17 4mo ago also EUVD-2024-21404

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: last yr. (2025-05-09)

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

KDDI CORPORATION HOME SPOT CUBE2

Classification

Weakness

CWE-787 Out-of-bounds Write

References

au.com /support/service/mobile/guide/wlan/home_spot_cube_2/
vendor-advisory
jvn.jp /en/vu/JVNVU93740658/
third-party-advisory

Sources

CVE List CVE-2024-23978
NVD CVE-2024-23978

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