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ID

VAR-202508-2027


CVE

CVE-2025-9087


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AC20  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-012185

DESCRIPTION

A vulnerability has been found in Tenda AC20 16.03.08.12. This affects the function set_qosMib_list of the file /goform/SetNetControlList of the component SetNetControlList Endpoint. The manipulation of the argument list leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. of AC20 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. This vulnerability stems from a failure to properly validate the length of input data in the set_qosMib_list function parameter list in the /goform/SetNetControlList file. An attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-9087 // JVNDB: JVNDB-2025-012185 // CNVD: CNVD-2025-19583

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-19583

AFFECTED PRODUCTS

vendor:tendamodel:ac20scope:eqversion:16.03.08.12

Trust: 1.6

vendor:tendamodel:ac20scope:eqversion: -

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vendor:tendamodel:ac20scope: - version: -

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vendor:tendamodel:ac20scope:eqversion:ac20 firmware 16.03.08.12

Trust: 0.8

sources: CNVD: CNVD-2025-19583 // JVNDB: JVNDB-2025-012185 // NVD: CVE-2025-9087

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-9087
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-9087
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-012185
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-19583
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-9087
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-2025-012185
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-2025-19583
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2025-9087
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-2025-9087
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-2025-012185
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-2025-19583 // JVNDB: JVNDB-2025-012185 // NVD: CVE-2025-9087 // NVD: CVE-2025-9087

PROBLEMTYPE DATA

problemtype:CWE-119

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

sources: JVNDB: JVNDB-2025-012185 // NVD: CVE-2025-9087

EXTERNAL IDS

db:NVDid:CVE-2025-9087

Trust: 3.2

db:VULDBid:320355

Trust: 1.8

db:JVNDBid:JVNDB-2025-012185

Trust: 0.8

db:CNVDid:CNVD-2025-19583

Trust: 0.6

sources: CNVD: CNVD-2025-19583 // JVNDB: JVNDB-2025-012185 // NVD: CVE-2025-9087

REFERENCES

url:https://github.com/zz2266/.github.io/tree/main/ac20/formsetqosband

Trust: 1.8

url:https://github.com/zz2266/.github.io/tree/main/ac20/formsetqosband#poc-python-exploit-script

Trust: 1.8

url:https://vuldb.com/?id.320355

Trust: 1.8

url:https://vuldb.com/?submit.632037

Trust: 1.8

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

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-9087

Trust: 1.4

url:https://vuldb.com/?ctiid.320355

Trust: 1.0

sources: CNVD: CNVD-2025-19583 // JVNDB: JVNDB-2025-012185 // NVD: CVE-2025-9087

SOURCES

db:CNVDid:CNVD-2025-19583
db:JVNDBid:JVNDB-2025-012185
db:NVDid:CVE-2025-9087

LAST UPDATE DATE

2025-08-29T23:07:54.231000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-19583date:2025-08-28T00:00:00
db:JVNDBid:JVNDB-2025-012185date:2025-08-25T00:42:00
db:NVDid:CVE-2025-9087date:2025-08-21T16:13:12.350

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-19583date:2025-08-28T00:00:00
db:JVNDBid:JVNDB-2025-012185date:2025-08-25T00:00:00
db:NVDid:CVE-2025-9087date:2025-08-16T23:15:26.257