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ID

VAR-202509-1341


CVE

CVE-2025-57062


TITLE

Tenda G3 formDelDhcpRule function buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-21164

DESCRIPTION

Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the delDhcpIndex parameter in the formDelDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request. The Tenda G3 is a QoS VPN router from the Chinese company Tenda. This vulnerability stems from the fact that the delDhcpIndex parameter in the formDelDhcpRule function fails to properly validate the length of input data

Trust: 1.44

sources: NVD: CVE-2025-57062 // CNVD: CNVD-2025-21164

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-21164

AFFECTED PRODUCTS

vendor:tendamodel:g3 v3.0br v15.11.0.17scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-21164

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2025-57062
value: HIGH

Trust: 1.0

CNVD: CNVD-2025-21164
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-21164
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2025-57062
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2025-21164 // NVD: CVE-2025-57062

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

sources: NVD: CVE-2025-57062

EXTERNAL IDS

db:NVDid:CVE-2025-57062

Trust: 1.6

db:CNVDid:CNVD-2025-21164

Trust: 0.6

sources: CNVD: CNVD-2025-21164 // NVD: CVE-2025-57062

REFERENCES

url:https://github.com/vulndetailrecord/vulfordevice/blob/main/tenda/g3/formdeldhcprule.md

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-57062

Trust: 0.6

sources: CNVD: CNVD-2025-21164 // NVD: CVE-2025-57062

SOURCES

db:CNVDid:CNVD-2025-21164
db:NVDid:CVE-2025-57062

LAST UPDATE DATE

2025-09-13T23:32:52.666000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-21164date:2025-09-12T00:00:00
db:NVDid:CVE-2025-57062date:2025-09-11T20:15:34.897

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-21164date:2025-09-12T00:00:00
db:NVDid:CVE-2025-57062date:2025-09-09T17:16:08.827