ID

VAR-202505-1775


CVE

CVE-2025-4883


TITLE

D-Link Systems, Inc.  of  di-8100g  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005462

DESCRIPTION

A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been declared as critical. This vulnerability affects the function ctxz_asp of the file /ctxz.asp of the component Connection Limit Page. The manipulation of the argument def/defTcp/defUdp/defIcmp/defOther 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-8100g 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. D-Link DI-8100 is a wireless broadband router designed for small and medium-sized network environments by D-Link, a Chinese company. D-Link DI-8100 has a buffer overflow vulnerability, which is caused by the failure to properly verify the length of the input data in the parameter def/defTcp/defUdp/defIcmp/defOther in the file /ctx.asp. Attackers can use this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-4883 // JVNDB: JVNDB-2025-005462 // CNVD: CNVD-2025-11163

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-11163

AFFECTED PRODUCTS

vendor:dlinkmodel:di-8100gscope:eqversion:16.07.26a1

Trust: 1.0

vendor:d linkmodel:di-8100gscope:eqversion:di-8100g firmware 16.07.26a1

Trust: 0.8

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

Trust: 0.8

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

Trust: 0.8

vendor:d linkmodel:di-8100 16.07.26a1scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-11163 // JVNDB: JVNDB-2025-005462 // NVD: CVE-2025-4883

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-4883
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-4883
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-005462
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-11163
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-4883
severity: HIGH
baseScore: 8.3
vectorString: AV:N/AC:L/AU:M/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: MULTIPLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.4
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2025-005462
severity: HIGH
baseScore: 8.3
vectorString: AV:N/AC:L/AU:M/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: MULTIPLE
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-2025-11163
severity: HIGH
baseScore: 8.3
vectorString: AV:N/AC:L/AU:M/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: MULTIPLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.4
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2025-4883
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.2
impactScore: 5.9
version: 3.1

Trust: 2.0

NVD: JVNDB-2025-005462
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-11163 // JVNDB: JVNDB-2025-005462 // NVD: CVE-2025-4883 // NVD: CVE-2025-4883

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-787

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-2025-005462 // NVD: CVE-2025-4883

EXTERNAL IDS

db:NVDid:CVE-2025-4883

Trust: 3.2

db:VULDBid:309436

Trust: 1.8

db:JVNDBid:JVNDB-2025-005462

Trust: 0.8

db:CNVDid:CNVD-2025-11163

Trust: 0.6

sources: CNVD: CNVD-2025-11163 // JVNDB: JVNDB-2025-005462 // NVD: CVE-2025-4883

REFERENCES

url:https://github.com/yhuanhuan01/di-8100_vulnerability_report/blob/main/di-8100-vulnerability_report_ctxz.md

Trust: 2.4

url:https://vuldb.com/?id.309436

Trust: 1.8

url:https://vuldb.com/?submit.576392

Trust: 1.8

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

Trust: 1.8

url:https://vuldb.com/?ctiid.309436

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-4883

Trust: 0.8

sources: CNVD: CNVD-2025-11163 // JVNDB: JVNDB-2025-005462 // NVD: CVE-2025-4883

SOURCES

db:CNVDid:CNVD-2025-11163
db:JVNDBid:JVNDB-2025-005462
db:NVDid:CVE-2025-4883

LAST UPDATE DATE

2025-06-01T23:12:54.322000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-11163date:2025-05-30T00:00:00
db:JVNDBid:JVNDB-2025-005462date:2025-05-22T03:05:00
db:NVDid:CVE-2025-4883date:2025-05-21T19:38:13.727

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-11163date:2025-05-29T00:00:00
db:JVNDBid:JVNDB-2025-005462date:2025-05-22T00:00:00
db:NVDid:CVE-2025-4883date:2025-05-18T15:15:18