CVE-2024-40722

4.3 mediumEPSS 0.5%

Medium (4.3) in changingtec tcb servisign. EPSS 0.5% chance of exploitation in the next 30 days.

The specific API in TCBServiSign Windows Version from CHANGING Information Technology does does not properly validate the length of server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the TCBServiSign, temporarily disrupting its service.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-121
Published: 2024-08-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

changingtec:tcb_servisign

References

https://www.twcert.org.tw/en/cp-139-7973-e10c6-2.html
https://www.twcert.org.tw/tw/cp-132-7967-9efdf-1.html

Check your stack JSON