Details of VAR-202405-1939

ID

VAR-202405-1939

CVE

CVE-2024-34171

TITLE

Fuji Electric Monitouch V-SFT V9C File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

Trust: 2.8

sources: ZDI: ZDI-24-535 // ZDI: ZDI-24-534 // ZDI: ZDI-24-533 // ZDI: ZDI-24-530

DESCRIPTION

Fuji Electric Monitouch V-SFT is vulnerable to a stack-based buffer overflow, which could allow an attacker to execute arbitrary code. (DoS) It may be in a state. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the parsing of V9C files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Fuji Electric Monitouch V-SFT is human-machine interface (HMI) configuration software developed by Fuji Electric Co., Ltd., primarily used in industrial automation. It provides functions such as touchscreen interface design, PDF document viewing, video playback, and alarm messaging

Trust: 5.31

sources: NVD: CVE-2024-34171 // JVNDB: JVNDB-2024-026706 // ZDI: ZDI-24-535 // ZDI: ZDI-24-534 // ZDI: ZDI-24-533 // ZDI: ZDI-24-532 // ZDI: ZDI-24-530 // CNVD: CNVD-2025-21060

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-21060

AFFECTED PRODUCTS

vendor:	fuji electric	model:	monitouch v-sft	scope:	-	version:	-	Trust: 3.5
vendor:	fujielectric	model:	monitouch v-sft	scope:	lt	version:	6.2.3.0	Trust: 1.0
vendor:	富士電機	model:	monitouch v-sft	scope:	eq	version:	-	Trust: 0.8
vendor:	富士電機	model:	monitouch v-sft	scope:	eq	version:	6.2.3.0	Trust: 0.8
vendor:	富士電機	model:	monitouch v-sft	scope:	-	version:	-	Trust: 0.8
vendor:	fuji	model:	electric monitouch v-sft	scope:	lt	version:	6.2.3.0	Trust: 0.6

sources: ZDI: ZDI-24-535 // ZDI: ZDI-24-534 // ZDI: ZDI-24-533 // ZDI: ZDI-24-532 // ZDI: ZDI-24-530 // CNVD: CNVD-2025-21060 // JVNDB: JVNDB-2024-026706 // NVD: CVE-2024-34171

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI:	CVE-2024-34171
value:	HIGH
Trust: 3.5
ics-cert@hq.dhs.gov:	CVE-2024-34171
value:	HIGH
Trust: 1.0
nvd@nist.gov:	CVE-2024-34171
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2024-34171
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-21060
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-21060
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

ZDI:	CVE-2024-34171
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.0
Trust: 3.5
ics-cert@hq.dhs.gov:	CVE-2024-34171
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.1
Trust: 1.0
nvd@nist.gov:	CVE-2024-34171
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2024-34171
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

PROBLEMTYPE DATA

problemtype:	CWE-121	Trust: 1.0
problemtype:	Stack-based buffer overflow (CWE-121) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2024-026706 // NVD: CVE-2024-34171

PATCH

title:	Fuji Electric has issued an update to correct this vulnerability.	url:	https://www.cisa.gov/news-events/ics-advisories/icsa-24-151-02	Trust: 3.5
title:	Patch for Fuji Electric Monitouch V-SFT Buffer Overflow Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/731071	Trust: 0.6

sources: ZDI: ZDI-24-535 // ZDI: ZDI-24-534 // ZDI: ZDI-24-533 // ZDI: ZDI-24-532 // ZDI: ZDI-24-530 // CNVD: CNVD-2025-21060

EXTERNAL IDS

db:	NVD	id:	CVE-2024-34171	Trust: 6.7
db:	ICS CERT	id:	ICSA-24-151-02	Trust: 2.4
db:	JVN	id:	JVNVU97725986	Trust: 0.8
db:	JVNDB	id:	JVNDB-2024-026706	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-22908	Trust: 0.7
db:	ZDI	id:	ZDI-24-535	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-22896	Trust: 0.7
db:	ZDI	id:	ZDI-24-534	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-22874	Trust: 0.7
db:	ZDI	id:	ZDI-24-533	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-22815	Trust: 0.7
db:	ZDI	id:	ZDI-24-532	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-22749	Trust: 0.7
db:	ZDI	id:	ZDI-24-530	Trust: 0.7
db:	CNVD	id:	CNVD-2025-21060	Trust: 0.6

REFERENCES

url:	https://www.cisa.gov/news-events/ics-advisories/icsa-24-151-02	Trust: 5.9
url:	https://jvn.jp/vu/jvnvu97725986/	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2024-34171	Trust: 0.8

CREDITS

kimiya

Trust: 3.5

sources: ZDI: ZDI-24-535 // ZDI: ZDI-24-534 // ZDI: ZDI-24-533 // ZDI: ZDI-24-532 // ZDI: ZDI-24-530

SOURCES

db:	ZDI	id:	ZDI-24-535
db:	ZDI	id:	ZDI-24-534
db:	ZDI	id:	ZDI-24-533
db:	ZDI	id:	ZDI-24-532
db:	ZDI	id:	ZDI-24-530
db:	CNVD	id:	CNVD-2025-21060
db:	JVNDB	id:	JVNDB-2024-026706
db:	NVD	id:	CVE-2024-34171

LAST UPDATE DATE

2025-10-16T23:41:41.189000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-24-535	date:	2024-07-01T00:00:00
db:	ZDI	id:	ZDI-24-534	date:	2024-07-01T00:00:00
db:	ZDI	id:	ZDI-24-533	date:	2024-07-01T00:00:00
db:	ZDI	id:	ZDI-24-532	date:	2024-07-01T00:00:00
db:	ZDI	id:	ZDI-24-530	date:	2024-07-01T00:00:00
db:	CNVD	id:	CNVD-2025-21060	date:	2025-09-11T00:00:00
db:	JVNDB	id:	JVNDB-2024-026706	date:	2025-08-01T01:25:00
db:	NVD	id:	CVE-2024-34171	date:	2025-07-30T19:23:07.310

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-24-535	date:	2024-05-31T00:00:00
db:	ZDI	id:	ZDI-24-534	date:	2024-05-31T00:00:00
db:	ZDI	id:	ZDI-24-533	date:	2024-05-31T00:00:00
db:	ZDI	id:	ZDI-24-532	date:	2024-05-31T00:00:00
db:	ZDI	id:	ZDI-24-530	date:	2024-05-31T00:00:00
db:	CNVD	id:	CNVD-2025-21060	date:	2025-09-11T00:00:00
db:	JVNDB	id:	JVNDB-2024-026706	date:	2025-08-01T00:00:00
db:	NVD	id:	CVE-2024-34171	date:	2024-05-30T20:15:09.197