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ID

VAR-202507-0819


CVE

CVE-2025-7586


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  ac500  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-009263

DESCRIPTION

A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been declared as critical. Affected by this vulnerability is the function formSetAPCfg of the file /goform/setWtpData. The manipulation of the argument radio_2g_1 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. of ac500 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 AC500 is a wireless controller device launched by Tenda, designed for small and medium-sized enterprises, and supports cross-VLAN management of wireless networks. The vulnerability is caused by the failure of the parameter radio_2g_1 in the file /goform/setWtpData 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-2025-7586 // JVNDB: JVNDB-2025-009263 // CNVD: CNVD-2025-16857

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16857

AFFECTED PRODUCTS

vendor:tendamodel:ac500scope:eqversion:2.0.1.9\(1307\)

Trust: 1.0

vendor:tendamodel:ac500scope: - version: -

Trust: 0.8

vendor:tendamodel:ac500scope:eqversion:ac500 firmware 2.0.1.9(1307)

Trust: 0.8

vendor:tendamodel:ac500scope:eqversion: -

Trust: 0.8

vendor:tendamodel:ac500scope:eqversion:2.0.1.9(1307)

Trust: 0.6

sources: CNVD: CNVD-2025-16857 // JVNDB: JVNDB-2025-009263 // NVD: CVE-2025-7586

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7586
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-009263
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-16857
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7586
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-2025-009263
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-2025-16857
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-2025-7586
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-2025-009263
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-2025-16857 // JVNDB: JVNDB-2025-009263 // NVD: CVE-2025-7586

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-787

Trust: 1.0

problemtype:CWE-121

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-2025-009263 // NVD: CVE-2025-7586

EXTERNAL IDS

db:NVDid:CVE-2025-7586

Trust: 3.2

db:VULDBid:316285

Trust: 1.8

db:JVNDBid:JVNDB-2025-009263

Trust: 0.8

db:CNVDid:CNVD-2025-16857

Trust: 0.6

sources: CNVD: CNVD-2025-16857 // JVNDB: JVNDB-2025-009263 // NVD: CVE-2025-7586

REFERENCES

url:https://github.com/panda666-888/vuls/blob/main/tenda/ac500/formsetapcfg.md

Trust: 2.4

url:https://github.com/panda666-888/vuls/blob/main/tenda/ac500/formsetapcfg.md#poc

Trust: 1.8

url:https://vuldb.com/?id.316285

Trust: 1.8

url:https://vuldb.com/?submit.615169

Trust: 1.8

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

Trust: 1.8

url:https://vuldb.com/?ctiid.316285

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-7586

Trust: 0.8

sources: CNVD: CNVD-2025-16857 // JVNDB: JVNDB-2025-009263 // NVD: CVE-2025-7586

SOURCES

db:CNVDid:CNVD-2025-16857
db:JVNDBid:JVNDB-2025-009263
db:NVDid:CVE-2025-7586

LAST UPDATE DATE

2025-07-28T23:30:19.935000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16857date:2025-07-25T00:00:00
db:JVNDBid:JVNDB-2025-009263date:2025-07-18T05:19:00
db:NVDid:CVE-2025-7586date:2025-07-17T17:51:04.283

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16857date:2025-07-24T00:00:00
db:JVNDBid:JVNDB-2025-009263date:2025-07-18T00:00:00
db:NVDid:CVE-2025-7586date:2025-07-14T08:15:24.703