CVE-2025-4883

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.

CVSS v3 7.2 HIGH
CVSS v2.0 8.3 HIGH

7.2^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.3^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:M/C:C/I:C/A:C

Exploitability : 6.4 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication MULTIPLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md	Exploit Third Party Advisory
https://vuldb.com/?ctiid.309436	Permissions Required Third Party Advisory VDB Entry
https://vuldb.com/?id.309436	Third Party Advisory VDB Entry
https://vuldb.com/?submit.576392	Third Party Advisory VDB Entry
https://www.dlink.com/	Product
https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:di-8100g_firmware:16.07.26a1:*:*:*:*:*:*:*

cpe:2.3:h:dlink:di-8100g:-:*:*:*:*:*:*:*

History

21 May 2025, 19:38

Type	Values Removed	Values Added
CPE		cpe:2.3:o:dlink:di-8100g_firmware:16.07.26a1:::::::* cpe:2.3:h:dlink:di-8100g:-:::::::*
CWE		CWE-787
First Time		Dlink di-8100g Firmware Dlink Dlink di-8100g
References	~~() https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md -~~	() https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md - Exploit, Third Party Advisory
References	~~() https://vuldb.com/?ctiid.309436 -~~	() https://vuldb.com/?ctiid.309436 - Permissions Required, Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/?id.309436 -~~	() https://vuldb.com/?id.309436 - Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/?submit.576392 -~~	() https://vuldb.com/?submit.576392 - Third Party Advisory, VDB Entry
References	~~() https://www.dlink.com/ -~~	() https://www.dlink.com/ - Product

19 May 2025, 14:15

Type	Values Removed	Values Added
References	~~() https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md -~~	() https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md -

19 May 2025, 13:35

Type	Values Removed	Values Added
Summary		(es) Se encontró una vulnerabilidad en D-Link DI-8100 16.07.26A1. Se ha declarado crítica. Esta vulnerabilidad afecta a la función ctxz_asp del archivo /ctxz.asp del componente Connection Limit Page. La manipulación del argumento def/defTcp/defUdp/defIcmp/defOther provoca un desbordamiento del búfer basado en la pila. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

18 May 2025, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-18 15:15

Updated : 2025-05-21 19:38

NVD link : CVE-2025-4883

Mitre link : CVE-2025-4883

CVE.ORG link : CVE-2025-4883

JSON object : View

Products Affected

dlink

di-8100g_firmware
di-8100g

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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7.2 /10