Details of VAR-202407-2397

ID

VAR-202407-2397

CVE

CVE-2024-7186

TITLE

TOTOLINK of a3600r Classic buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2024-006409

DESCRIPTION

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been classified as critical. This affects the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument comment leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272607. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of a3600r Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3600R is a 6-antenna 1200M wireless router from China's TOTOLINK Electronics. The vulnerability is caused by the comment parameter in the setWiFiAclAddConfig function of the /cgi-bin/cstecgi.cgi file failing to properly 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-2024-7186 // JVNDB: JVNDB-2024-006409 // CNVD: CNVD-2025-13256

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-13256

AFFECTED PRODUCTS

vendor:	totolink	model:	a3600r	scope:	eq	version:	4.1.2cu.5182_b20201102	Trust: 1.0
vendor:	totolink	model:	a3600r	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	a3600r	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	a3600r	scope:	eq	version:	a3600r firmware 4.1.2cu.5182 b20201102	Trust: 0.8
vendor:	totolink	model:	a3600r 4.1.2cu.5182 b20201102	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-13256 // JVNDB: JVNDB-2024-006409 // NVD: CVE-2024-7186

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com:	CVE-2024-7186
value:	HIGH
Trust: 1.0
nvd@nist.gov:	CVE-2024-7186
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2024-006409
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-13256
value:	HIGH
Trust: 0.6

cna@vuldb.com:	CVE-2024-7186
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
OTHER:	JVNDB-2024-006409
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2025-13256
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

cna@vuldb.com:	CVE-2024-7186
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 2.0
NVD:	JVNDB-2024-006409
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-13256 // JVNDB: JVNDB-2024-006409 // NVD: CVE-2024-7186 // NVD: CVE-2024-7186

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.0
problemtype:	Classic buffer overflow (CWE-120) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2024-006409 // NVD: CVE-2024-7186

EXTERNAL IDS

db:	NVD	id:	CVE-2024-7186	Trust: 3.2
db:	VULDB	id:	272607	Trust: 2.4
db:	JVNDB	id:	JVNDB-2024-006409	Trust: 0.8
db:	CNVD	id:	CNVD-2025-13256	Trust: 0.6

sources: CNVD: CNVD-2025-13256 // JVNDB: JVNDB-2024-006409 // NVD: CVE-2024-7186

REFERENCES

url:	https://vuldb.com/?id.272607	Trust: 2.4
url:	https://github.com/abcdefg-png/iot-vulnerable/blob/main/totolink/a3600r/setwifiacladdconfig.md	Trust: 1.8
url:	https://vuldb.com/?ctiid.272607	Trust: 1.8
url:	https://vuldb.com/?submit.378055	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2024-7186	Trust: 0.8

sources: CNVD: CNVD-2025-13256 // JVNDB: JVNDB-2024-006409 // NVD: CVE-2024-7186

SOURCES

db:	CNVD	id:	CNVD-2025-13256
db:	JVNDB	id:	JVNDB-2024-006409
db:	NVD	id:	CVE-2024-7186

LAST UPDATE DATE

2025-06-21T23:27:28.847000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-13256	date:	2025-06-20T00:00:00
db:	JVNDB	id:	JVNDB-2024-006409	date:	2024-08-26T01:20:00
db:	NVD	id:	CVE-2024-7186	date:	2024-08-23T14:33:39.350

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-13256	date:	2025-06-20T00:00:00
db:	JVNDB	id:	JVNDB-2024-006409	date:	2024-08-26T00:00:00
db:	NVD	id:	CVE-2024-7186	date:	2024-07-29T06:15:03.420