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ID

VAR-202506-3359


CVE

CVE-2025-6886


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AC5  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-008057

DESCRIPTION

A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Shenzhen Tenda Technology Co.,Ltd. of AC5 The firmware contains a buffer error vulnerability and a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The vulnerability is caused by the failure of the parameters schedStartTime and schedEndTime in the file /goform/openSchedWifi to correctly 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-2025-6886 // JVNDB: JVNDB-2025-008057 // CNVD: CNVD-2025-15272

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-15272

AFFECTED PRODUCTS

vendor:tendamodel:ac5scope:eqversion:15.03.06.47

Trust: 1.6

vendor:tendamodel:ac5scope:eqversion:ac5 firmware 15.03.06.47

Trust: 0.8

vendor:tendamodel:ac5scope: - version: -

Trust: 0.8

vendor:tendamodel:ac5scope:eqversion: -

Trust: 0.8

sources: CNVD: CNVD-2025-15272 // JVNDB: JVNDB-2025-008057 // NVD: CVE-2025-6886

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-6886
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-008057
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-15272
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-6886
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2025-008057
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2025-15272
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2025-6886
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

OTHER: JVNDB-2025-008057
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-15272 // JVNDB: JVNDB-2025-008057 // NVD: CVE-2025-6886

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-008057 // NVD: CVE-2025-6886

EXTERNAL IDS

db:NVDid:CVE-2025-6886

Trust: 3.2

db:VULDBid:314365

Trust: 1.8

db:JVNDBid:JVNDB-2025-008057

Trust: 0.8

db:CNVDid:CNVD-2025-15272

Trust: 0.6

sources: CNVD: CNVD-2025-15272 // JVNDB: JVNDB-2025-008057 // NVD: CVE-2025-6886

REFERENCES

url:https://lavender-bicycle-a5a.notion.site/tenda-ac5-setschedwifi_schedendtime-21d53a41781f80fb8a90f08898e8d404?source=copy_link

Trust: 1.8

url:https://lavender-bicycle-a5a.notion.site/tenda-ac5-setschedwifi_schedstarttime-21d53a41781f803f97eeddd9828c5c84?source=copy_link

Trust: 1.8

url:https://vuldb.com/?id.314365

Trust: 1.8

url:https://vuldb.com/?submit.603774

Trust: 1.8

url:https://vuldb.com/?submit.603775

Trust: 1.8

url:https://www.tenda.com.cn/

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-6886

Trust: 1.4

url:https://vuldb.com/?ctiid.314365

Trust: 1.0

sources: CNVD: CNVD-2025-15272 // JVNDB: JVNDB-2025-008057 // NVD: CVE-2025-6886

SOURCES

db:CNVDid:CNVD-2025-15272
db:JVNDBid:JVNDB-2025-008057
db:NVDid:CVE-2025-6886

LAST UPDATE DATE

2025-07-09T23:13:39.452000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-15272date:2025-07-08T00:00:00
db:JVNDBid:JVNDB-2025-008057date:2025-07-04T08:36:00
db:NVDid:CVE-2025-6886date:2025-07-01T16:47:02.973

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-15272date:2025-07-08T00:00:00
db:JVNDBid:JVNDB-2025-008057date:2025-07-04T00:00:00
db:NVDid:CVE-2025-6886date:2025-06-30T05:15:40.763