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Wavlink WL-WN592AX6: OS command injection in wmapd daemon

CVE-2026-109110Critical 9.3

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Summary

Wavlink WL-WN592AX6 routers with firmware 250422 contain an OS command injection flaw in the wmapd daemon. A remote, unauthenticated attacker can inject operating system commands by manipulating requests, which can lead to full compromise of the device. A public exploit is reported to exist, but not all sources confirm its availability. No vendor fix has been published at the time of review.

Affected

  • Wavlink WL-WN592AX6, firmware 250422
  • Other firmware versions: Unknown.

Fixed in

Unknown. Wavlink has not published a fixed firmware build at the time of review.

Workaround

  • Remove any internet exposure of the management and web interface and confirm that no port forwarding or WAN-side administration is active.
  • Isolate the device in a separate network zone and restrict its access to internal systems.
  • No vendor workaround is published.

Exploitation

  • Exploited in the wild: Unknown. Not listed in the CISA KEV catalog.
  • Public exploit: sources conflict. The CVE description states that an exploit has been published, so assume one exists.
  • CISA SSVC: exploitation PoC, automatable yes, technical impact total.

Our recommendation

  • Inventory all WL-WN592AX6 devices and confirm the firmware build; 250422 is affected.
  • Remove internet exposure of the management interface now.
  • Isolate the device and limit its reach to internal networks.
  • Check Wavlink's firmware page and support channels regularly for a fixed build.
  • Replace the device if it cannot be isolated or if no fix is published within a reasonable time.
  • Monitor the router's logs and outbound traffic for anomalies.

Public exploits

PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.

Research sources

Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 31 Oct 2026, 02:22.

Original description (NVD)

A flaw has been found in Wavlink WL-WN592AX6 250422. This issue affects the function system of the component wmapd Daemon. Executing a manipulation can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

NVD references (5)

Sources

The tracker combines official, freely usable data sources – updated continuously:

This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.

Affected? We can help.

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