Details of VAR-202504-1797

ID

VAR-202504-1797

CVE

CVE-2025-22900

TITLE

TOTOLINK of n600r Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-003855

DESCRIPTION

Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function. TOTOLINK of n600r 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 N600R is a wireless router produced by China's TOTOLINK Electronics. TOTOLINK N600R has a buffer overflow vulnerability. The vulnerability is caused by the macCloneMac parameter in the setWanConfig function 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-2025-22900 // JVNDB: JVNDB-2025-003855 // CNVD: CNVD-2025-12012

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-12012

AFFECTED PRODUCTS

vendor:	totolink	model:	n600r	scope:	eq	version:	4.3.0cu.7647_b20210106	Trust: 1.0
vendor:	totolink	model:	n600r	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	n600r	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	n600r	scope:	eq	version:	n600r firmware 4.3.0cu.7647 b20210106	Trust: 0.8
vendor:	totolink	model:	n600r v4.3.0cu.7647 b20210106	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-12012 // JVNDB: JVNDB-2025-003855 // NVD: CVE-2025-22900

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-22900
value:	CRITICAL
Trust: 1.0
OTHER:	JVNDB-2025-003855
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-12012
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-12012
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-2025-22900
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-2025-003855
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-2025-12012 // JVNDB: JVNDB-2025-003855 // NVD: CVE-2025-22900

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-003855 // NVD: CVE-2025-22900

EXTERNAL IDS

db:	NVD	id:	CVE-2025-22900	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-003855	Trust: 0.8
db:	CNVD	id:	CNVD-2025-12012	Trust: 0.6

sources: CNVD: CNVD-2025-12012 // JVNDB: JVNDB-2025-003855 // NVD: CVE-2025-22900

REFERENCES

url:	https://github.com/xyqer1/totolink-n600r-setwanconfig-stackoverflow	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-22900	Trust: 0.8

sources: CNVD: CNVD-2025-12012 // JVNDB: JVNDB-2025-003855 // NVD: CVE-2025-22900

SOURCES

db:	CNVD	id:	CNVD-2025-12012
db:	JVNDB	id:	JVNDB-2025-003855
db:	NVD	id:	CVE-2025-22900

LAST UPDATE DATE

2025-06-12T02:11:49.974000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-12012	date:	2025-06-10T00:00:00
db:	JVNDB	id:	JVNDB-2025-003855	date:	2025-04-23T01:49:00
db:	NVD	id:	CVE-2025-22900	date:	2025-04-22T16:55:28.827

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-12012	date:	2025-06-10T00:00:00
db:	JVNDB	id:	JVNDB-2025-003855	date:	2025-04-23T00:00:00
db:	NVD	id:	CVE-2025-22900	date:	2025-04-15T19:16:06.987