Description
A vulnerability classified as critical was found in Belkin F9K1122 1.00.33. Affected by this vulnerability is the function formL2TPSetup of the file /goform/formL2TPSetup of the component webs. The manipulation of the argument L2TPUserName leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
In Belkin F9K1122 1.00.33 wurde eine kritische Schwachstelle entdeckt. Das betrifft die Funktion formL2TPSetup der Datei /goform/formL2TPSetup der Komponente webs. Mittels dem Manipulieren des Arguments L2TPUserName 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.
Problem types
Product status
Timeline
| 2025-07-05: | Advisory disclosed |
| 2025-07-05: | VulDB entry created |
| 2025-07-05: | VulDB entry last update |
Credits
pjqwudi (VulDB User)
References
github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_7/7.md
vuldb.com/?id.315001 (VDB-315001 | Belkin F9K1122 webs formL2TPSetup stack-based overflow)
vuldb.com/?ctiid.315001 (VDB-315001 | CTI Indicators (IOB, IOC, IOA))
vuldb.com/?submit.603696 (Submit #603696 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow)
github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_7/7.md
github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_7/7.md