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ID

VAR-202506-0261


CVE

CVE-2025-5623


TITLE

D-Link Systems, Inc.  of  DIR-816  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-006451

DESCRIPTION

A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been classified as critical. This affects the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer. D-Link Systems, Inc. of DIR-816 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

Trust: 1.62

sources: NVD: CVE-2025-5623 // JVNDB: JVNDB-2025-006451

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-816scope:eqversion:1.10cnb05

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vendor:d linkmodel:dir-816scope: - version: -

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vendor:d linkmodel:dir-816scope:eqversion:dir-816 firmware 1.10cnb05

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vendor:d linkmodel:dir-816scope:eqversion: -

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sources: JVNDB: JVNDB-2025-006451 // NVD: CVE-2025-5623

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-5623
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-006451
value: CRITICAL

Trust: 0.8

cna@vuldb.com: CVE-2025-5623
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2025-006451
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
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

cna@vuldb.com: CVE-2025-5623
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

OTHER: JVNDB-2025-006451
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: JVNDB: JVNDB-2025-006451 // NVD: CVE-2025-5623

PROBLEMTYPE DATA

problemtype:CWE-121

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problemtype:CWE-787

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problemtype:CWE-119

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

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

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-006451 // NVD: CVE-2025-5623

EXTERNAL IDS

db:NVDid:CVE-2025-5623

Trust: 2.6

db:VULDBid:311109

Trust: 1.8

db:JVNDBid:JVNDB-2025-006451

Trust: 0.8

sources: JVNDB: JVNDB-2025-006451 // NVD: CVE-2025-5623

REFERENCES

url:https://github.com/wudipjq/my_vuln/blob/main/d-link5/vuln_51/51.md

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url:https://vuldb.com/?id.311109

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url:https://vuldb.com/?submit.589224

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

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url:https://vuldb.com/?ctiid.311109

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-5623

Trust: 0.8

sources: JVNDB: JVNDB-2025-006451 // NVD: CVE-2025-5623

SOURCES

db:JVNDBid:JVNDB-2025-006451
db:NVDid:CVE-2025-5623

LAST UPDATE DATE

2025-06-12T02:01:20.980000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2025-006451date:2025-06-09T01:49:00
db:NVDid:CVE-2025-5623date:2025-06-06T15:42:32.547

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2025-006451date:2025-06-09T00:00:00
db:NVDid:CVE-2025-5623date:2025-06-05T00:15:24.133