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Description

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A vulnerability was detected in Belkin F9K1015 1.00.10. Affected by this issue is some unknown functionality of the file /goform/formL2TPSetup. The manipulation of the argument L2TPUserName results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

In Belkin F9K1015 1.00.10 ist eine Schwachstelle entdeckt worden. Betroffen ist eine unbekannte Verarbeitung der Datei /goform/formL2TPSetup. Durch das Beeinflussen des Arguments L2TPUserName mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Es ist möglich, den Angriff aus der Ferne durchzuführen. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-10-04 | Published 2025-10-05 | Updated 2025-10-06 | 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

Buffer Overflow

Memory Corruption

Product status

1.00.10
affected

Timeline

2025-10-04:Advisory disclosed
2025-10-04:VulDB entry created
2025-10-04:VulDB entry last update

Credits

panda_0xf1 (VulDB User) reporter

References

vuldb.com/?id.327175 (VDB-327175 | Belkin F9K1015 formL2TPSetup buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.327175 (VDB-327175 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.661298 (Submit #661298 | Belkin F9K1015 1.00.10 Buffer Overflow) third-party-advisory

github.com/...vuls/blob/main/belkin/f9k1015/formL2TPSetup.md related

github.com/...vuls/blob/main/belkin/f9k1015/formL2TPSetup.md exploit

cve.org (CVE-2025-11294)

nvd.nist.gov (CVE-2025-11294)

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