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A vulnerability classified as critical has been found in Belkin F9K1122 1.00.33. Affected is the function formPPTPSetup of the file /goform/formPPTPSetup of the component webs. The manipulation of the argument pptpUserName leads to stack-based buffer overflow. It is possible to launch the attack 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.

Es wurde eine kritische Schwachstelle in Belkin F9K1122 1.00.33 entdeckt. Es betrifft die Funktion formPPTPSetup der Datei /goform/formPPTPSetup der Komponente webs. Durch Manipulation des Arguments pptpUserName mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-07-05 | Published 2025-07-06 | Updated 2025-07-07 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.00.33
affected

Timeline

2025-07-05:Advisory disclosed
2025-07-05:VulDB entry created
2025-07-05:VulDB entry last update

Credits

pjqwudi (VulDB User) reporter

References

vuldb.com/?id.315000 (VDB-315000 | Belkin F9K1122 webs formPPTPSetup stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.315000 (VDB-315000 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.603695 (Submit #603695 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_6/6.md related

github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_6/6.md exploit

cve.org (CVE-2025-7086)

nvd.nist.gov (CVE-2025-7086)

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