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1.9

Wavlink Wireless Router: Cross-Site Scripting Risk via Login Page

CVE-2026-4544 · published 7 months ago
Summary

A security flaw in the Wavlink WL-WN578W2 wireless router's login page allows an attacker to inject malicious code into the page. This could potentially allow them to steal sensitive information or take control of your router. We recommend updating your router's firmware as soon as possible to fix this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
wavlink wl-wn578w2_firmware 221110
cpe:2.3:o:wavlink:wl-wn578w2_firmware:221110:*:*:*:*:*:*:*
Original advisory text
A vulnerability was determined in Wavlink WL-WN578W2 221110. This affects an unknown function of the file /cgi-bin/login.cgi of the component POST Request Handler. Executing a manipulation of the a...
A vulnerability was determined in Wavlink WL-WN578W2 221110. This affects an unknown function of the file /cgi-bin/login.cgi of the component POST Request Handler. Executing a manipulation of the argument homepage/hostname/login_page can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
1.9 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
CWE-94Code Injection
Timeline
Published22 Mar 2026
Updated3 Nov 2026
First seen22 Mar 2026
Sources
CVE-2026-4544 · NVD
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