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ID

VAR-202507-2739


CVE

CVE-2025-8160


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-010945

DESCRIPTION

A vulnerability classified as critical has been found in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/SetSysTimeCfg of the component httpd. The manipulation of the argument timeZone leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the 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. The Tenda AC20 is a dual-band wireless router that supports IPv6. It features a triple-core 1GHz main control chip and is equipped with six 6dBi external antennas, achieving a maximum wireless transmission rate of 2033Mbps. The Tenda AC20 suffers from a buffer overflow vulnerability caused by improper handling of the timeZone parameter in the httpd component's /goform/SetSysTimeCfg file. This vulnerability could allow an attacker to execute arbitrary code

Trust: 2.16

sources: NVD: CVE-2025-8160 // JVNDB: JVNDB-2025-010945 // CNVD: CNVD-2025-17008

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-17008

AFFECTED PRODUCTS

vendor:tendamodel:ac20scope:eqversion:16.03.08.12

Trust: 1.0

vendor:tendamodel:ac20scope: - version: -

Trust: 0.8

vendor:tendamodel:ac20scope:eqversion: -

Trust: 0.8

vendor:tendamodel:ac20scope:eqversion:ac20 firmware 16.03.08.12

Trust: 0.8

vendor:tendamodel:ac20scope:lteversion:<=16.03.08.12

Trust: 0.6

sources: CNVD: CNVD-2025-17008 // JVNDB: JVNDB-2025-010945 // NVD: CVE-2025-8160

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-8160
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-010945
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-17008
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-8160
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-2025-010945
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-2025-17008
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-2025-8160
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-2025-010945
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-2025-17008 // JVNDB: JVNDB-2025-010945 // NVD: CVE-2025-8160

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-2025-010945 // NVD: CVE-2025-8160

EXTERNAL IDS

db:NVDid:CVE-2025-8160

Trust: 3.2

db:VULDBid:317574

Trust: 2.4

db:JVNDBid:JVNDB-2025-010945

Trust: 0.8

db:CNVDid:CNVD-2025-17008

Trust: 0.6

sources: CNVD: CNVD-2025-17008 // JVNDB: JVNDB-2025-010945 // NVD: CVE-2025-8160

REFERENCES

url:https://vuldb.com/?id.317574

Trust: 2.4

url:https://vuldb.com/?submit.620625

Trust: 2.4

url:https://github.com/ch13hh/cve/blob/main/tenda1.md

Trust: 2.4

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

Trust: 2.4

url:https://vuldb.com/?ctiid.317574

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2025-8160

Trust: 0.8

sources: CNVD: CNVD-2025-17008 // JVNDB: JVNDB-2025-010945 // NVD: CVE-2025-8160

SOURCES

db:CNVDid:CNVD-2025-17008
db:JVNDBid:JVNDB-2025-010945
db:NVDid:CVE-2025-8160

LAST UPDATE DATE

2025-08-11T23:10:59.815000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-17008date:2025-07-29T00:00:00
db:JVNDBid:JVNDB-2025-010945date:2025-08-08T00:59:00
db:NVDid:CVE-2025-8160date:2025-08-05T19:21:50.883

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-17008date:2025-07-29T00:00:00
db:JVNDBid:JVNDB-2025-010945date:2025-08-08T00:00:00
db:NVDid:CVE-2025-8160date:2025-07-25T15:15:30.330