Details of VAR-202406-1045

ID

VAR-202406-1045

CVE

CVE-2024-37634

TITLE

TOTOLINK of a3700r Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2024-021438

DESCRIPTION

TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid in the function setWiFiEasyCfg. TOTOLINK of a3700r A stack-based buffer overflow vulnerability exists in the firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3700R is a wireless router produced by China's TOTOLINK Electronics. TOTOLINK A3700R has a buffer overflow vulnerability. The vulnerability is caused by the ssid in the setWiFiEasyCfg function failing to correctly verify the length of the input data. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2024-37634 // JVNDB: JVNDB-2024-021438 // CNVD: CNVD-2025-14814

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-14814

AFFECTED PRODUCTS

vendor:	totolink	model:	a3700r	scope:	eq	version:	9.1.2u.6165_20211012	Trust: 1.0
vendor:	totolink	model:	a3700r	scope:	eq	version:	a3700r firmware 9.1.2u.6165 20211012	Trust: 0.8
vendor:	totolink	model:	a3700r	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	a3700r	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	a3700r v9.1.2u.6165 20211012	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-14814 // JVNDB: JVNDB-2024-021438 // NVD: CVE-2024-37634

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2024-37634
value:	CRITICAL
Trust: 1.0
OTHER:	JVNDB-2024-021438
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-14814
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-14814
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

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2024-37634
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
OTHER:	JVNDB-2024-021438
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

sources: CNVD: CNVD-2025-14814 // JVNDB: JVNDB-2024-021438 // NVD: CVE-2024-37634

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2024-021438 // NVD: CVE-2024-37634

EXTERNAL IDS

db:	NVD	id:	CVE-2024-37634	Trust: 3.2
db:	JVNDB	id:	JVNDB-2024-021438	Trust: 0.8
db:	CNVD	id:	CNVD-2025-14814	Trust: 0.6

sources: CNVD: CNVD-2025-14814 // JVNDB: JVNDB-2024-021438 // NVD: CVE-2024-37634

REFERENCES

url:	https://github.com/s4ndw1ch136/iot-vuln-reports/blob/main/totolink/a3700r/setwifieasycfg/readme.md	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2024-37634	Trust: 0.8

sources: CNVD: CNVD-2025-14814 // JVNDB: JVNDB-2024-021438 // NVD: CVE-2024-37634

SOURCES

db:	CNVD	id:	CNVD-2025-14814
db:	JVNDB	id:	JVNDB-2024-021438
db:	NVD	id:	CVE-2024-37634

LAST UPDATE DATE

2025-07-04T23:51:10.327000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-14814	date:	2025-07-02T00:00:00
db:	JVNDB	id:	JVNDB-2024-021438	date:	2025-04-04T06:12:00
db:	NVD	id:	CVE-2024-37634	date:	2025-04-03T15:41:18.037

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-14814	date:	2025-07-02T00:00:00
db:	JVNDB	id:	JVNDB-2024-021438	date:	2025-04-04T00:00:00
db:	NVD	id:	CVE-2024-37634	date:	2024-06-13T19:15:52.537