Details of VAR-202505-2141

ID

VAR-202505-2141

CVE

CVE-2025-45862

TITLE

TOTOLINK of A3002R Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005619

DESCRIPTION

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the interfacenameds parameter in the formDhcpv6s interface. TOTOLINK of A3002R A stack-based buffer overflow vulnerability exists in the firmware.Information may be obtained and information may be tampered with. TOTOLINK A3002R is a wireless router produced by China's TOTOLINK Electronics. The vulnerability is caused by the interfacenameds parameter in the formDhcpv6s interface failing to correctly verify the length of the input data. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2025-45862 // JVNDB: JVNDB-2025-005619 // CNVD: CNVD-2025-11200

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-11200

AFFECTED PRODUCTS

vendor:	totolink	model:	a3002r	scope:	eq	version:	4.0.0-b20230531.1404	Trust: 1.0
vendor:	totolink	model:	a3002r	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	a3002r	scope:	eq	version:	a3002r firmware 4.0.0-b20230531.1404	Trust: 0.8
vendor:	totolink	model:	a3002r	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	a3002r v4.0.0-b20230531.1404	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-11200 // JVNDB: JVNDB-2025-005619 // NVD: CVE-2025-45862

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-45862
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2025-005619
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2025-11200
value:	MEDIUM
Trust: 0.6

CNVD:	CNVD-2025-11200
severity:	MEDIUM
baseScore:	6.4
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-45862
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	2.5
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-005619
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-11200 // JVNDB: JVNDB-2025-005619 // NVD: CVE-2025-45862

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-005619 // NVD: CVE-2025-45862

EXTERNAL IDS

db:	NVD	id:	CVE-2025-45862	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-005619	Trust: 0.8
db:	CNVD	id:	CNVD-2025-11200	Trust: 0.6

sources: CNVD: CNVD-2025-11200 // JVNDB: JVNDB-2025-005619 // NVD: CVE-2025-45862

REFERENCES

url:	https://github.com/jiangxiazhe/iot_hack/blob/main/totolink/a3002r/7/overflow.md	Trust: 2.4
url:	https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/258/ids/36.html	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-45862	Trust: 0.8

sources: CNVD: CNVD-2025-11200 // JVNDB: JVNDB-2025-005619 // NVD: CVE-2025-45862

SOURCES

db:	CNVD	id:	CNVD-2025-11200
db:	JVNDB	id:	JVNDB-2025-005619
db:	NVD	id:	CVE-2025-45862

LAST UPDATE DATE

2025-06-01T23:11:04.522000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-11200	date:	2025-05-30T00:00:00
db:	JVNDB	id:	JVNDB-2025-005619	date:	2025-05-26T00:39:00
db:	NVD	id:	CVE-2025-45862	date:	2025-05-24T00:53:31.157

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-11200	date:	2025-05-30T00:00:00
db:	JVNDB	id:	JVNDB-2025-005619	date:	2025-05-26T00:00:00
db:	NVD	id:	CVE-2025-45862	date:	2025-05-20T14:15:49.873