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ID

VAR-202303-2025


CVE

CVE-2023-27042


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AX3  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2023-006051

DESCRIPTION

Shenzhen Tenda Technology Co.,Ltd. of AX3 An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The Tenda AX3 is a dual-band gigabit wireless router for home use, launched by Tenda Technology. It supports the Wi-Fi 6 (802.11ax) standard and emphasizes high-performance network coverage and stable connections. The Tenda AX3 contains a buffer overflow vulnerability. This vulnerability stems from a boundary error in `/goform/SetFirewallCfg` when processing untrusted input. An attacker could exploit this vulnerability to execute arbitrary code or cause a denial-of-service attack

Trust: 1.26

sources: JVNDB: JVNDB-2023-006051 // CNVD: CNVD-2025-28856

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-28856

AFFECTED PRODUCTS

vendor:tendamodel:ax3scope:eqversion:16.03.12.11

Trust: 1.6

vendor:tendamodel:ax3scope: - version: -

Trust: 0.8

vendor:tendamodel:ax3scope:eqversion:ax3 firmware 16.03.12.11

Trust: 0.8

vendor:tendamodel:ax3scope:eqversion: -

Trust: 0.8

sources: CNVD: CNVD-2025-28856 // JVNDB: JVNDB-2023-006051 // NVD: CVE-2023-27042

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2023-27042
value: HIGH

Trust: 1.0

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2023-27042
value: HIGH

Trust: 1.0

NVD: CVE-2023-27042
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-28856
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202303-2087
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-28856
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

nvd@nist.gov: CVE-2023-27042
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: 2.0

NVD: CVE-2023-27042
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-2025-28856 // CNNVD: CNNVD-202303-2087 // JVNDB: JVNDB-2023-006051 // NVD: CVE-2023-27042 // NVD: CVE-2023-27042

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2023-006051 // NVD: CVE-2023-27042

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202303-2087

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202303-2087

EXTERNAL IDS

db:NVDid:CVE-2023-27042

Trust: 3.9

db:JVNDBid:JVNDB-2023-006051

Trust: 0.8

db:CNVDid:CNVD-2025-28856

Trust: 0.6

db:CNNVDid:CNNVD-202303-2087

Trust: 0.6

db:VULMONid:CVE-2023-27042

Trust: 0.1

sources: CNVD: CNVD-2025-28856 // VULMON: CVE-2023-27042 // CNNVD: CNNVD-202303-2087 // JVNDB: JVNDB-2023-006051 // NVD: CVE-2023-27042

REFERENCES

url:https://github.com/hujianjie123/vuln/blob/main/tenda/setfirewallcfg/readme.md

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2023-27042

Trust: 0.8

url:https://cxsecurity.com/cveshow/cve-2023-27042/

Trust: 0.6

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2025-28856 // VULMON: CVE-2023-27042 // CNNVD: CNNVD-202303-2087 // JVNDB: JVNDB-2023-006051 // NVD: CVE-2023-27042

SOURCES

db:CNVDid:CNVD-2025-28856
db:VULMONid:CVE-2023-27042
db:CNNVDid:CNNVD-202303-2087
db:JVNDBid:JVNDB-2023-006051
db:NVDid:CVE-2023-27042

LAST UPDATE DATE

2025-11-23T23:44:53.092000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-28856date:2025-11-20T00:00:00
db:VULMONid:CVE-2023-27042date:2023-03-24T00:00:00
db:CNNVDid:CNNVD-202303-2087date:2023-03-31T00:00:00
db:JVNDBid:JVNDB-2023-006051date:2023-11-13T03:06:00
db:NVDid:CVE-2023-27042date:2025-02-20T21:15:24.803

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-28856date:2025-11-19T00:00:00
db:VULMONid:CVE-2023-27042date:2023-03-24T00:00:00
db:CNNVDid:CNNVD-202303-2087date:2023-03-24T00:00:00
db:JVNDBid:JVNDB-2023-006051date:2023-11-13T00:00:00
db:NVDid:CVE-2023-27042date:2023-03-24T23:15:06.830