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ID

VAR-202507-2448


CVE

CVE-2025-7911


TITLE

D-Link DI-8100 Buffer Overflow Vulnerability (CNVD-2025-16668)

Trust: 0.6

sources: CNVD: CNVD-2025-16668

DESCRIPTION

A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf of the file /upnp_ctrl.asp of the component jhttpd. The manipulation of the argument remove_ext_proto/remove_ext_port 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 DI-8100 is an enterprise-level router device from D-Link. Attackers can exploit this vulnerability to trigger a buffer overflow by remotely constructing malicious parameters, thereby executing arbitrary code or causing the service to crash

Trust: 1.44

sources: NVD: CVE-2025-7911 // CNVD: CNVD-2025-16668

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16668

AFFECTED PRODUCTS

vendor:d linkmodel:di-8100scope:eqversion:1.0

Trust: 0.6

sources: CNVD: CNVD-2025-16668

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7911
value: HIGH

Trust: 1.0

CNVD: CNVD-2025-16668
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7911
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-2025-16668
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-2025-7911
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-2025-16668 // NVD: CVE-2025-7911

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

sources: NVD: CVE-2025-7911

EXTERNAL IDS

db:NVDid:CVE-2025-7911

Trust: 1.6

db:VULDBid:317026

Trust: 1.6

db:CNVDid:CNVD-2025-16668

Trust: 0.6

sources: CNVD: CNVD-2025-16668 // NVD: CVE-2025-7911

REFERENCES

url:https://vuldb.com/?id.317026

Trust: 1.6

url:https://vuldb.com/?ctiid.317026

Trust: 1.6

url:https://vuldb.com/?submit.618640

Trust: 1.6

url:https://vuldb.com/?submit.618641

Trust: 1.6

url:https://github.com/buobo/bo-s-cve/blob/main/di-8100/upnp_ctrl_asp.md

Trust: 1.6

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

Trust: 1.6

sources: CNVD: CNVD-2025-16668 // NVD: CVE-2025-7911

SOURCES

db:CNVDid:CNVD-2025-16668
db:NVDid:CVE-2025-7911

LAST UPDATE DATE

2025-07-24T23:59:57.704000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16668date:2025-07-23T00:00:00
db:NVDid:CVE-2025-7911date:2025-07-22T13:06:07.260

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16668date:2025-07-23T00:00:00
db:NVDid:CVE-2025-7911date:2025-07-20T23:15:31.977