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ID

VAR-202506-0478


CVE

CVE-2025-5861


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AC7  Classic buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-006526

DESCRIPTION

A vulnerability has been found in Tenda AC7 15.03.06.44 and classified as critical. This vulnerability affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Shenzhen Tenda Technology Co.,Ltd. of AC7 Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Tenda AC7 has a buffer overflow vulnerability, which is caused by the parameter lanMask in the file /goform/AdvSetLanip failing 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-2025-5861 // JVNDB: JVNDB-2025-006526 // CNVD: CNVD-2025-12739

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-12739

AFFECTED PRODUCTS

vendor:tendamodel:ac7scope:eqversion:15.03.06.44

Trust: 1.6

vendor:tendamodel:ac7scope:eqversion:ac7 firmware 15.03.06.44

Trust: 0.8

vendor:tendamodel:ac7scope: - version: -

Trust: 0.8

vendor:tendamodel:ac7scope:eqversion: -

Trust: 0.8

sources: CNVD: CNVD-2025-12739 // JVNDB: JVNDB-2025-006526 // NVD: CVE-2025-5861

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-5861
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-5861
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-006526
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-12739
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-5861
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-2025-006526
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-2025-12739
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-2025-5861
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

nvd@nist.gov: CVE-2025-5861
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

NVD: JVNDB-2025-006526
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-2025-12739 // JVNDB: JVNDB-2025-006526 // NVD: CVE-2025-5861 // NVD: CVE-2025-5861

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-120

Trust: 1.0

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

Trust: 0.8

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

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-006526 // NVD: CVE-2025-5861

EXTERNAL IDS

db:NVDid:CVE-2025-5861

Trust: 3.2

db:VULDBid:311620

Trust: 1.8

db:JVNDBid:JVNDB-2025-006526

Trust: 0.8

db:CNVDid:CNVD-2025-12739

Trust: 0.6

sources: CNVD: CNVD-2025-12739 // JVNDB: JVNDB-2025-006526 // NVD: CVE-2025-5861

REFERENCES

url:https://lavender-bicycle-a5a.notion.site/tenda-ac7-fromadvsetlanip-20a53a41781f80038f4fc4b9d927eb9a

Trust: 2.4

url:https://lavender-bicycle-a5a.notion.site/tenda-ac7-fromadvsetlanip-20a53a41781f80038f4fc4b9d927eb9a?source=copy_link

Trust: 1.8

url:https://vuldb.com/?id.311620

Trust: 1.8

url:https://vuldb.com/?submit.591960

Trust: 1.8

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

Trust: 1.8

url:https://vuldb.com/?ctiid.311620

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-5861

Trust: 0.8

sources: CNVD: CNVD-2025-12739 // JVNDB: JVNDB-2025-006526 // NVD: CVE-2025-5861

SOURCES

db:CNVDid:CNVD-2025-12739
db:JVNDBid:JVNDB-2025-006526
db:NVDid:CVE-2025-5861

LAST UPDATE DATE

2025-06-19T23:34:53.693000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-12739date:2025-06-18T00:00:00
db:JVNDBid:JVNDB-2025-006526date:2025-06-10T01:54:00
db:NVDid:CVE-2025-5861date:2025-06-09T19:03:01.067

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-12739date:2025-06-18T00:00:00
db:JVNDBid:JVNDB-2025-006526date:2025-06-10T00:00:00
db:NVDid:CVE-2025-5861date:2025-06-09T05:15:20.297