Sign-up

ID

VAR-202505-1823


CVE

CVE-2025-4809


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AC7  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005664

DESCRIPTION

A vulnerability was found in Tenda AC7 15.03.06.44. It has been classified as critical. Affected is the function fromSafeSetMacFilter of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. of AC7 The firmware contains a buffer error vulnerability, a stack-based buffer overflow vulnerability, and an out-of-bounds write 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 failure of the parameter deviceList in the file /goform/setMacFilterCfg 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-2025-4809 // JVNDB: JVNDB-2025-005664 // CNVD: CNVD-2025-10592

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-10592

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:eqversion: -

Trust: 0.8

vendor:tendamodel:ac7scope: - version: -

Trust: 0.8

sources: CNVD: CNVD-2025-10592 // JVNDB: JVNDB-2025-005664 // NVD: CVE-2025-4809

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-4809
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-005664
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-10592
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-4809
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-2025-005664
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-2025-10592
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-2025-4809
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-2025-005664
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-2025-10592 // JVNDB: JVNDB-2025-005664 // NVD: CVE-2025-4809

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

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

problemtype: Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-005664 // NVD: CVE-2025-4809

EXTERNAL IDS

db:NVDid:CVE-2025-4809

Trust: 3.2

db:VULDBid:309264

Trust: 1.8

db:JVNDBid:JVNDB-2025-005664

Trust: 0.8

db:CNVDid:CNVD-2025-10592

Trust: 0.6

sources: CNVD: CNVD-2025-10592 // JVNDB: JVNDB-2025-005664 // NVD: CVE-2025-4809

REFERENCES

url:https://lavender-bicycle-a5a.notion.site/tenda-ac7-fromsafesetmacfilter-1ed53a41781f80cbbf13c8d4cc405ed1?pvs=4

Trust: 2.4

url:https://vuldb.com/?id.309264

Trust: 1.8

url:https://vuldb.com/?submit.573642

Trust: 1.8

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

Trust: 1.8

url:https://vuldb.com/?ctiid.309264

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-4809

Trust: 0.8

sources: CNVD: CNVD-2025-10592 // JVNDB: JVNDB-2025-005664 // NVD: CVE-2025-4809

SOURCES

db:CNVDid:CNVD-2025-10592
db:JVNDBid:JVNDB-2025-005664
db:NVDid:CVE-2025-4809

LAST UPDATE DATE

2025-05-29T23:38:41.460000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-10592date:2025-05-26T00:00:00
db:JVNDBid:JVNDB-2025-005664date:2025-05-26T06:46:00
db:NVDid:CVE-2025-4809date:2025-05-24T01:11:08.893

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-10592date:2025-05-22T00:00:00
db:JVNDBid:JVNDB-2025-005664date:2025-05-26T00:00:00
db:NVDid:CVE-2025-4809date:2025-05-16T20:15:22.773