Details of VAR-202510-2144

ID

VAR-202510-2144

CVE

CVE-2025-63461

TITLE

TOTOLINK A7000R urldecode function stack buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-27268

DESCRIPTION

Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the ssid5g parameter in the urldecode function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request. The TOTOLINK A7000R is a wireless router launched by TOTOLINK Electronics Co., Ltd. in China. It supports WiFi 7 technology and is suitable for home or small business network environments. This vulnerability stems from the fact that the ssid5g parameter in the urldecode function fails to properly validate the length of the input data

Trust: 1.44

sources: NVD: CVE-2025-63461 // CNVD: CNVD-2025-27268

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-27268

AFFECTED PRODUCTS

vendor:	totolink	model:	a7000r	scope:	eq	version:	9.1.0u.6115_b20201022	Trust: 1.0
vendor:	totolink	model:	a7000r v9.1.0u.6115 b20201022	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-27268 // NVD: CVE-2025-63461

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-63461
value:	HIGH
Trust: 1.0
CNVD:	CNVD-2025-27268
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-27268
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-63461
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0

sources: CNVD: CNVD-2025-27268 // NVD: CVE-2025-63461

PROBLEMTYPE DATA

problemtype:

CWE-121

Trust: 1.0

sources: NVD: CVE-2025-63461

EXTERNAL IDS

db:	NVD	id:	CVE-2025-63461	Trust: 1.6
db:	CNVD	id:	CNVD-2025-27268	Trust: 0.6

sources: CNVD: CNVD-2025-27268 // NVD: CVE-2025-63461

REFERENCES

url:

https://github.com/0-fool/vulnbycola/blob/main/totolink/a7000/7/1.md

Trust: 1.6

sources: CNVD: CNVD-2025-27268 // NVD: CVE-2025-63461

SOURCES

db:	CNVD	id:	CNVD-2025-27268
db:	NVD	id:	CVE-2025-63461

LAST UPDATE DATE

2025-11-18T15:38:30.470000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-27268	date:	2025-11-07T00:00:00
db:	NVD	id:	CVE-2025-63461	date:	2025-11-05T17:30:00.500

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-27268	date:	2025-11-07T00:00:00
db:	NVD	id:	CVE-2025-63461	date:	2025-10-31T17:15:47.583