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8.8

Planet WGR-500's Ping Command Can Be Crashed by Malicious HTTP Requests

CVE-2025-54402 · published 1 year ago
Summary

The Planet WGR-500 router's ping command can be exploited by a hacker sending a series of specially crafted HTTP requests. This can cause the router to crash or behave unexpectedly. Update to the latest firmware to protect against this risk.

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
planet wgr-500_firmware 1.3411b190912
cpe:2.3:o:planet:wgr-500_firmware:1.3411b190912:*:*:*:*:*:*:*
Original advisory text
Multiple stack-based buffer overflow vulnerabilities exist in the formPingCmd functionality of Planet WGR-500 v1.3411b190912. A specially crafted series of HTTP requests can lead to stack-based buf...
Multiple stack-based buffer overflow vulnerabilities exist in the formPingCmd functionality of Planet WGR-500 v1.3411b190912. A specially crafted series of HTTP requests can lead to stack-based buffer overflow. An attacker can send a series of HTTP requests to trigger these vulnerabilities.This buffer overflow is related to the `submit-url` and `ipaddr` request parameters combined.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-121Stack-based Buffer Overflow
Timeline
Published7 Oct 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-54402 · NVD
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