CVE-2025-7089: Belkin F9K1122 webs formWanTcpipSetup stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-06 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in Belkin F9K1122 1.00.33 and classified as critical. This issue affects the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component webs. The manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be initiated 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.

Affected products

Belkin F9K1122: 1.00.33

References

https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_9/9.md
https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_9/9.md#poc
https://vuldb.com/?ctiid.315005
https://vuldb.com/?id.315005
https://vuldb.com/?submit.603698
https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_9/9.md

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