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ID

VAR-202509-0311


CVE

CVE-2025-10120


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-013657

DESCRIPTION

A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is the function strcpy of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. Shenzhen Tenda Technology Co.,Ltd. of AC20 The firmware contains a buffer error vulnerability and a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. An attacker could exploit this vulnerability by remotely sending specially crafted data to trigger the buffer overflow, thereby executing arbitrary code or causing the system to crash

Trust: 2.16

sources: NVD: CVE-2025-10120 // JVNDB: JVNDB-2025-013657 // CNVD: CNVD-2025-21169

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-21169

AFFECTED PRODUCTS

vendor:tendamodel:ac20scope:lteversion:16.03.08.12

Trust: 1.0

vendor:tendamodel:ac20scope:lteversion:ac20 firmware 16.03.08.12 and earlier

Trust: 0.8

vendor:tendamodel:ac20scope: - version: -

Trust: 0.8

vendor:tendamodel:ac20scope:eqversion: -

Trust: 0.8

vendor:tendamodel:ac20scope:lteversion:<=16.03.08.12

Trust: 0.6

sources: CNVD: CNVD-2025-21169 // JVNDB: JVNDB-2025-013657 // NVD: CVE-2025-10120

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-10120
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-013657
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-21169
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-10120
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-2025-013657
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-2025-21169
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-2025-10120
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-2025-013657
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-2025-21169 // JVNDB: JVNDB-2025-013657 // NVD: CVE-2025-10120

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) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-013657 // NVD: CVE-2025-10120

EXTERNAL IDS

db:NVDid:CVE-2025-10120

Trust: 3.2

db:VULDBid:323089

Trust: 2.4

db:JVNDBid:JVNDB-2025-013657

Trust: 0.8

db:CNVDid:CNVD-2025-21169

Trust: 0.6

sources: CNVD: CNVD-2025-21169 // JVNDB: JVNDB-2025-013657 // NVD: CVE-2025-10120

REFERENCES

url:https://vuldb.com/?id.323089

Trust: 2.4

url:https://vuldb.com/?submit.645680

Trust: 2.4

url:https://github.com/cymiao1978/cve/blob/main/4.md

Trust: 2.4

url:https://github.com/cymiao1978/cve/blob/main/4.md#poc

Trust: 2.4

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

Trust: 2.4

url:https://vuldb.com/?ctiid.323089

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2025-10120

Trust: 0.8

sources: CNVD: CNVD-2025-21169 // JVNDB: JVNDB-2025-013657 // NVD: CVE-2025-10120

SOURCES

db:CNVDid:CNVD-2025-21169
db:JVNDBid:JVNDB-2025-013657
db:NVDid:CVE-2025-10120

LAST UPDATE DATE

2025-09-13T23:24:30.179000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-21169date:2025-09-12T00:00:00
db:JVNDBid:JVNDB-2025-013657date:2025-09-11T02:08:00
db:NVDid:CVE-2025-10120date:2025-09-10T16:41:54.140

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-21169date:2025-09-12T00:00:00
db:JVNDBid:JVNDB-2025-013657date:2025-09-11T00:00:00
db:NVDid:CVE-2025-10120date:2025-09-09T02:15:38.293