CVE-2025-5408CWE-119CWE-120

WAVLINK WL-WN576K1 HTTP POST Request login.cgi sys_login buffer overflow

Critical · published June 1, 2025

CVSS v4.0
9.3
EPSS
1%
Percentile
57.1
In the wild
Unconfirmed
What it is

🚨 A remote attacker can trigger a buffer overflow simply by manipulating a login page argument! This critical flaw in WAVLINK devices is a security nightmare waiting to happen! 🔥 Think of it like a restaurant where a customer can shout their way into the kitchen and change the chef's recipe without anyone checking — it causes chaos and could ruin the dish! With this vulnerability, an attacker could potentially gain full control over the device, allowing them to execute malicious code, steal sensitive information, or disrupt services. It’s a recipe for disaster that could lead to a complete takeover of your networked environment!

Put simply

Think of it like a restaurant where a customer can shout their way into the kitchen and change the chef's recipe without anyone checking — it causes chaos and could ruin the dish! This CVE-2025-5408 vulnerability occurs in the sys_login function of the HTTP POST Request Handler in several WAVLINK models, where the manipulation of the 'login_page' argument can lead to a buffer overflow, enabling remote code execution.

What to do

With this vulnerability, an attacker could potentially gain full control over the device, allowing them to execute malicious code, steal sensitive information, or disrupt services. It’s a recipe for disaster that could lead to a complete takeover of your networked environment! To protect yourself, immediately upgrade any affected devices to the latest firmware version beyond V1410_240222. If updates aren’t available, consider disabling remote access features until a fix is deployed. Regularly monitor for vendor communications regarding this vulnerability. You've got this! Take action now to lock down your devices and keep your network safe! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00828 · 57.1th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2025-06-01T21:31Z
EPSS history
Timeline
  • 01 JUN 21:31Z
    WAVLINK WL-WN576K1 HTTP POST Request login.cgi sys_login buffer overflow
    cvelistv5