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CVE-2025-4883: D-Link DI-8100 Connection Limit Page ctxz.asp ctxz_asp stack-based overflow

7.2 CVSS

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. In D-Link DI-8100 16.07.26A1 wurde eine Schwachstelle ausgemacht. Sie wurde als kritisch eingestuft. Das betrifft die Funktion ctxz_asp der Datei /ctxz.asp der Komponente Connection Limit Page. Mittels Manipulieren des Arguments def/defTcp/defUdp/defIcmp/defOther mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-4883

CVSS Base Severity: HIGH

CVSS Base Score: 7.2

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem Types

Stack-based Buffer Overflow Memory Corruption

Affected Products

Vendor: D-Link

Product: DI-8100

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 19.71% (scored less or equal to compared to others)

EPSS Date: 2025-06-16 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4883
https://vuldb.com/?id.309436
https://vuldb.com/?ctiid.309436
https://vuldb.com/?submit.576392
https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md
https://www.dlink.com/

Timeline