CVE-2024-38658 — There is an Out-of-bounds read vulnerability in V-Server (v4

There is an Out-of-bounds read vulnerability in V-Server (v4.0.19.0 and earlier) and V-Server Lite (v4.0.19.0 and earlier). If a user opens a specially crafted file, information may be disclosed and/or arbitrary code may be executed.

01What is this vulnerability?

There is an Out-of-bounds read vulnerability in V-Server (v4.0.19.0 and earlier) and V-Server Lite (v4.0.19.0 and earlier). If a user opens a specially crafted file, information may be disclosed and/or arbitrary code may be executed.

02Affected products

Vendor	Product	Versions
FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd.	V	Server — v4.0.19.0 and earlier
FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd.	V	Server Lite — v4.0.19.0 and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-11-28T02:11:21.840Z
• Last modified: 2024-11-29T20:46:17.613Z

09References

• monitouch.fujielectric.com — https://monitouch.fujielectric.com/site/download-e/03tellus_inf/index.php
• jvn.jp — https://jvn.jp/en/vu/JVNVU97531313/