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ID

VAR-202507-2480


CVE

CVE-2025-7945


TITLE

D-Link DIR-513 formSetWanDhcpplus function buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-17354

DESCRIPTION

A vulnerability was found in D-Link DIR-513 up to 20190831. It has been declared as critical. This vulnerability affects the function formSetWanDhcpplus of the file /goform/formSetWanDhcpplus. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. This vulnerability only affects products that are no longer supported by the maintainer. The D-Link DIR-513 is a portable wireless router featuring a slim design and ease of use. It supports IEEE 802.11n and 802.11g/b standards and offers a maximum transmission rate of 300Mbps. An attacker could exploit this vulnerability by remotely sending specially crafted data to trigger the buffer overflow, resulting in a denial of service or arbitrary code execution

Trust: 1.44

sources: NVD: CVE-2025-7945 // CNVD: CNVD-2025-17354

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-17354

AFFECTED PRODUCTS

vendor:d linkmodel:dir-513scope:lteversion:<=20190831

Trust: 0.6

sources: CNVD: CNVD-2025-17354

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7945
value: HIGH

Trust: 1.0

CNVD: CNVD-2025-17354
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7945
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

CNVD: CNVD-2025-17354
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-2025-7945
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

sources: CNVD: CNVD-2025-17354 // NVD: CVE-2025-7945

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

sources: NVD: CVE-2025-7945

EXTERNAL IDS

db:VULDBid:317086

Trust: 1.6

db:NVDid:CVE-2025-7945

Trust: 1.6

db:CNVDid:CNVD-2025-17354

Trust: 0.6

sources: CNVD: CNVD-2025-17354 // NVD: CVE-2025-7945

REFERENCES

url:https://vuldb.com/?id.317086

Trust: 1.6

url:https://vuldb.com/?ctiid.317086

Trust: 1.6

url:https://vuldb.com/?submit.619200

Trust: 1.6

url:https://github.com/lyn1ng/d-linkdir513/blob/main/dlink_dir-513_buffer_overflow_vulnerability.md

Trust: 1.6

url:https://www.dlink.com/

Trust: 1.6

sources: CNVD: CNVD-2025-17354 // NVD: CVE-2025-7945

SOURCES

db:CNVDid:CNVD-2025-17354
db:NVDid:CVE-2025-7945

LAST UPDATE DATE

2025-08-02T23:04:33.367000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-17354date:2025-08-01T00:00:00
db:NVDid:CVE-2025-7945date:2025-07-22T13:05:40.573

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-17354date:2025-08-01T00:00:00
db:NVDid:CVE-2025-7945date:2025-07-22T00:15:36.173