Details of VAR-202505-2212

ID

VAR-202505-2212

CVE

CVE-2025-45867

TITLE

TOTOLINK of A3002R Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-007317

DESCRIPTION

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the static_dns1 parameter in the formIpv6Setup 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 static_dns1 parameter in the formIpv6Setup interface failing to correctly verify the length of the input data. No detailed vulnerability details are currently available

Trust: 2.16

sources: NVD: CVE-2025-45867 // JVNDB: JVNDB-2025-007317 // CNVD: CNVD-2025-10937

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-10937

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

sources: CNVD: CNVD-2025-10937 // JVNDB: JVNDB-2025-007317 // NVD: CVE-2025-45867

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-45867
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2025-007317
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2025-10937
value:	MEDIUM
Trust: 0.6

CNVD:	CNVD-2025-10937
severity:	MEDIUM
baseScore:	4.8
vectorString:	AV:A/AC:L/AU:N/C:P/I:P/A:N
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	6.5
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-2025-45867
baseSeverity:	MEDIUM
baseScore:	5.4
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	2.8
impactScore:	2.5
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-007317
baseSeverity:	MEDIUM
baseScore:	5.4
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	ADJACENT 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-2025-10937 // JVNDB: JVNDB-2025-007317 // NVD: CVE-2025-45867

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-007317 // NVD: CVE-2025-45867

PATCH

title:

Patch for TOTOLINK A3002R formIpv6Setup interface buffer overflow vulnerability

url:

https://www.cnvd.org.cn/patchInfo/show/692436

Trust: 0.6

sources: CNVD: CNVD-2025-10937

EXTERNAL IDS

db:	NVD	id:	CVE-2025-45867	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-007317	Trust: 0.8
db:	CNVD	id:	CNVD-2025-10937	Trust: 0.6

sources: CNVD: CNVD-2025-10937 // JVNDB: JVNDB-2025-007317 // NVD: CVE-2025-45867

REFERENCES

url:	https://github.com/jiangxiazhe/iot_hack/blob/main/totolink/a3002r/10/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-2025-45867	Trust: 0.8

sources: CNVD: CNVD-2025-10937 // JVNDB: JVNDB-2025-007317 // NVD: CVE-2025-45867

SOURCES

db:	CNVD	id:	CNVD-2025-10937
db:	JVNDB	id:	JVNDB-2025-007317
db:	NVD	id:	CVE-2025-45867

LAST UPDATE DATE

2025-06-22T23:10:57.901000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-10937	date:	2025-05-29T00:00:00
db:	JVNDB	id:	JVNDB-2025-007317	date:	2025-06-20T08:57:00
db:	NVD	id:	CVE-2025-45867	date:	2025-06-17T19:39:47.240

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-10937	date:	2025-05-29T00:00:00
db:	JVNDB	id:	JVNDB-2025-007317	date:	2025-06-20T00:00:00
db:	NVD	id:	CVE-2025-45867	date:	2025-05-13T15:15:58.953