CVE-2025-11299

A vulnerability was identified in Belkin F9K1015 1.00.10. The affected element is an unknown function of the file /goform/formWanTcpipSetup. The manipulation of the argument pppUserName leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0

7.4CVSS: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

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-120

Published

2025-10-05

Modified

2026-10-09

Record from

the NVD, synced 2026-10-19

Affected

• belkin:f9k1015_firmware

References

• https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md
• https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md#poc
• https://vuldb.com/?ctiid.327180
• https://vuldb.com/?id.327180
• https://vuldb.com/?submit.661303

Check your stackJSON