ID

VAR-202507-2448


CVE

CVE-2025-7911


TITLE

D-Link Systems, Inc.  of  di-8100  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-011185

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 Systems, Inc. of di-8100 The firmware contains a buffer error vulnerability and a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. 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: 2.16

sources: NVD: CVE-2025-7911 // JVNDB: JVNDB-2025-011185 // CNVD: CNVD-2025-16668

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16668

AFFECTED PRODUCTS

vendor:dlinkmodel:di-8100scope:eqversion:1.0

Trust: 1.0

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

Trust: 0.8

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

Trust: 0.8

vendor:d linkmodel:di-8100scope: - version: -

Trust: 0.8

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

Trust: 0.6

sources: CNVD: CNVD-2025-16668 // JVNDB: JVNDB-2025-011185 // NVD: CVE-2025-7911

CVSS

SEVERITY

CVSSV2

CVSSV3

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

Trust: 1.0

nvd@nist.gov: CVE-2025-7911
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-011185
value: CRITICAL

Trust: 0.8

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

OTHER: JVNDB-2025-011185
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-2025-16668
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

nvd@nist.gov: CVE-2025-7911
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-2025-011185
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-2025-16668 // JVNDB: JVNDB-2025-011185 // NVD: CVE-2025-7911 // NVD: CVE-2025-7911

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

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

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-011185 // NVD: CVE-2025-7911

EXTERNAL IDS

db:NVDid:CVE-2025-7911

Trust: 3.2

db:VULDBid:317026

Trust: 2.4

db:JVNDBid:JVNDB-2025-011185

Trust: 0.8

db:CNVDid:CNVD-2025-16668

Trust: 0.6

sources: CNVD: CNVD-2025-16668 // JVNDB: JVNDB-2025-011185 // NVD: CVE-2025-7911

REFERENCES

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

Trust: 2.4

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

Trust: 2.4

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

Trust: 2.4

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

Trust: 2.4

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

Trust: 1.6

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

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2025-7911

Trust: 0.8

sources: CNVD: CNVD-2025-16668 // JVNDB: JVNDB-2025-011185 // NVD: CVE-2025-7911

SOURCES

db:CNVDid:CNVD-2025-16668
db:JVNDBid:JVNDB-2025-011185
db:NVDid:CVE-2025-7911

LAST UPDATE DATE

2025-08-15T23:26:51.149000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16668date:2025-07-23T00:00:00
db:JVNDBid:JVNDB-2025-011185date:2025-08-12T08:46:00
db:NVDid:CVE-2025-7911date:2025-08-08T16:20:45.767

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16668date:2025-07-23T00:00:00
db:JVNDBid:JVNDB-2025-011185date:2025-08-12T00:00:00
db:NVDid:CVE-2025-7911date:2025-07-20T23:15:31.977