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ID

VAR-202505-0108


CVE

CVE-2025-4356


TITLE

D-Link Systems, Inc.  of  D-Link DAP-1520  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005034

DESCRIPTION

A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been declared as critical. This vulnerability affects the function mod_graph_auth_uri_handler of the file /storage of the component Authentication Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. D-Link Systems, Inc. of D-Link DAP-1520 The firmware contains a buffer error vulnerability, a stack-based buffer overflow vulnerability, and an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Tenda DAP-1520 is a dual-band wireless access point from China's Tenda company. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-4356 // JVNDB: JVNDB-2025-005034 // CNVD: CNVD-2025-09925

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-09925

AFFECTED PRODUCTS

vendor:dlinkmodel:dap-1520scope:eqversion:1.10b04

Trust: 1.0

vendor:d linkmodel:d-link dap-1520scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:d-link dap-1520scope:eqversion:d-link dap-1520 firmware 1.10b04

Trust: 0.8

vendor:d linkmodel:d-link dap-1520scope: - version: -

Trust: 0.8

vendor:tendamodel:dap-1520 1.10b04 beta02scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-09925 // JVNDB: JVNDB-2025-005034 // NVD: CVE-2025-4356

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-4356
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-4356
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-005034
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-09925
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-4356
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-2025-005034
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-2025-09925
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-2025-4356
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-2025-4356
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-2025-005034
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-2025-09925 // JVNDB: JVNDB-2025-005034 // NVD: CVE-2025-4356 // NVD: CVE-2025-4356

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

problemtype: Stack-based buffer overflow (CWE-121) [ others ]

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-005034 // NVD: CVE-2025-4356

EXTERNAL IDS

db:NVDid:CVE-2025-4356

Trust: 3.2

db:VULDBid:307474

Trust: 1.8

db:JVNDBid:JVNDB-2025-005034

Trust: 0.8

db:CNVDid:CNVD-2025-09925

Trust: 0.6

sources: CNVD: CNVD-2025-09925 // JVNDB: JVNDB-2025-005034 // NVD: CVE-2025-4356

REFERENCES

url:https://github.com/ghostsuzhijian/iot-/blob/main/dap1520_mod_graph_auth_uri_handler/dap1520_mod_graph_auth_uri_handler.md

Trust: 1.8

url:https://vuldb.com/?id.307474

Trust: 1.8

url:https://vuldb.com/?submit.564722

Trust: 1.8

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

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-4356

Trust: 1.4

url:https://vuldb.com/?ctiid.307474

Trust: 1.0

sources: CNVD: CNVD-2025-09925 // JVNDB: JVNDB-2025-005034 // NVD: CVE-2025-4356

SOURCES

db:CNVDid:CNVD-2025-09925
db:JVNDBid:JVNDB-2025-005034
db:NVDid:CVE-2025-4356

LAST UPDATE DATE

2025-05-17T23:20:22.072000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-09925date:2025-05-16T00:00:00
db:JVNDBid:JVNDB-2025-005034date:2025-05-15T06:54:00
db:NVDid:CVE-2025-4356date:2025-05-13T20:24:15.620

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-09925date:2025-05-15T00:00:00
db:JVNDBid:JVNDB-2025-005034date:2025-05-15T00:00:00
db:NVDid:CVE-2025-4356date:2025-05-06T14:15:42.113