What’s Vulnerable › Vulnerabilities

CVE-2025-11299: Belkin F9K1015 formWanTcpipSetup buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-10-05 · updated 2026-10-09
• Weakness: CWE-119

Description

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.

Affected products

• Belkin F9K1015: 1.00.10

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
• 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

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