ID

VAR-202503-3473


CVE

CVE-2025-28221


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-004688

DESCRIPTION

Tenda W6_S v1.0.0.4_510 has a Buffer Overflow vulnerability in the set_local_time function, which allows remote attackers to cause web server crash via parameter time 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 has a buffer overflow vulnerability

Trust: 2.16

sources: NVD: CVE-2025-28221 // JVNDB: JVNDB-2025-004688 // CNVD: CNVD-2025-08906

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-08906

AFFECTED PRODUCTS

vendor:tendamodel:w6-sscope:eqversion:1.0.0.4\(510\)

Trust: 1.0

vendor:tendamodel:w6-sscope: - version: -

Trust: 0.8

vendor:tendamodel:w6-sscope:eqversion:w6-s firmware 1.0.0.4(510)

Trust: 0.8

vendor:tendamodel:w6-sscope:eqversion: -

Trust: 0.8

vendor:tendamodel:w6 s 1.0.0.4 510scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-08906 // JVNDB: JVNDB-2025-004688 // NVD: CVE-2025-28221

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2025-28221
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-004688
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-08906
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-08906
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-2025-28221
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-2025-004688
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-2025-08906 // JVNDB: JVNDB-2025-004688 // NVD: CVE-2025-28221

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-004688 // NVD: CVE-2025-28221

EXTERNAL IDS

db:NVDid:CVE-2025-28221

Trust: 3.2

db:JVNDBid:JVNDB-2025-004688

Trust: 0.8

db:CNVDid:CNVD-2025-08906

Trust: 0.6

sources: CNVD: CNVD-2025-08906 // JVNDB: JVNDB-2025-004688 // NVD: CVE-2025-28221

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2025-28221

Trust: 1.4

url:https://github.com/idajea/iot_vuln_1/blob/master/w6_s_v1.0.0.4/time.pdf

Trust: 1.0

sources: CNVD: CNVD-2025-08906 // JVNDB: JVNDB-2025-004688 // NVD: CVE-2025-28221

SOURCES

db:CNVDid:CNVD-2025-08906
db:JVNDBid:JVNDB-2025-004688
db:NVDid:CVE-2025-28221

LAST UPDATE DATE

2025-05-14T19:33:34.619000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-08906date:2025-04-30T00:00:00
db:JVNDBid:JVNDB-2025-004688date:2025-05-12T14:19:00
db:NVDid:CVE-2025-28221date:2025-05-08T17:38:45.087

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-08906date:2025-04-28T00:00:00
db:JVNDBid:JVNDB-2025-004688date:2025-05-12T00:00:00
db:NVDid:CVE-2025-28221date:2025-03-28T14:15:20.483