Details of VAR-202503-3612

ID

VAR-202503-3612

CVE

CVE-2025-28220

TITLE

Shenzhen Tenda Technology Co.,Ltd. of W6-S Classic buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-004389

DESCRIPTION

Tenda W6_S v1.0.0.4_510 has a Buffer Overflow vulnerability in the setcfm function, which allows remote attackers to cause web server crash via parameter funcpara1 passed to the binary through a POST request. Shenzhen Tenda Technology Co.,Ltd. of W6-S Firmware has a classic buffer overflow vulnerability.Service operation interruption (DoS) It may be in a state. ‌Tenda W6-S is a 300Mbps wireless panel AP designed for large households such as homes, hotels, and villas. It can provide stable wireless network coverage and low-latency network experience‌‌. Tenda W6-S has a buffer overflow vulnerability. The vulnerability is caused by the setcfm function failing to correctly verify the length of the input data. Attackers can exploit this vulnerability to cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-28220 // JVNDB: JVNDB-2025-004389 // CNVD: CNVD-2025-08905

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-08905

AFFECTED PRODUCTS

vendor:	tenda	model:	w6-s	scope:	eq	version:	1.0.0.4\(510\)	Trust: 1.0
vendor:	tenda	model:	w6-s	scope:	-	version:	-	Trust: 0.8
vendor:	tenda	model:	w6-s	scope:	eq	version:	-	Trust: 0.8
vendor:	tenda	model:	w6-s	scope:	eq	version:	w6-s firmware 1.0.0.4(510)	Trust: 0.8
vendor:	tenda	model:	w6 s 1.0.0.4 510	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-08905 // JVNDB: JVNDB-2025-004389 // NVD: CVE-2025-28220

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-28220
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2025-004389
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-08905
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-08905
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-2025-28220
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
OTHER:	JVNDB-2025-004389
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/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:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-08905 // JVNDB: JVNDB-2025-004389 // NVD: CVE-2025-28220

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-004389 // NVD: CVE-2025-28220

EXTERNAL IDS

db:	NVD	id:	CVE-2025-28220	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-004389	Trust: 0.8
db:	CNVD	id:	CNVD-2025-08905	Trust: 0.6

sources: CNVD: CNVD-2025-08905 // JVNDB: JVNDB-2025-004389 // NVD: CVE-2025-28220

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2025-28220	Trust: 1.4
url:	https://github.com/idajea/iot_vuln_1/blob/master/w6_s_v1.0.0.4/setcfm.pdf	Trust: 1.0

sources: CNVD: CNVD-2025-08905 // JVNDB: JVNDB-2025-004389 // NVD: CVE-2025-28220

SOURCES

db:	CNVD	id:	CNVD-2025-08905
db:	JVNDB	id:	JVNDB-2025-004389
db:	NVD	id:	CVE-2025-28220

LAST UPDATE DATE

2025-05-09T03:21:09.393000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-08905	date:	2025-04-30T00:00:00
db:	JVNDB	id:	JVNDB-2025-004389	date:	2025-05-07T07:59:00
db:	NVD	id:	CVE-2025-28220	date:	2025-05-06T18:46:28.957

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-08905	date:	2025-04-28T00:00:00
db:	JVNDB	id:	JVNDB-2025-004389	date:	2025-05-07T00:00:00
db:	NVD	id:	CVE-2025-28220	date:	2025-03-28T14:15:20.377