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8.8HIGH

CVE-2025-54400 — Multiple stack-based buffer overflow vulnerabilities exist in the formPingCmd functionality of Planet…

Planet · Wgr-500 Firmware · Published 7 Oct 2025 · Modified 30 Sept 2026

Description

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 `counts` request parameter for composing the `"ping -c <counts> <ipaddr> 2>&1 > %s &"` string.

References

What to do
  1. Check whether Wgr-500 Firmware is in your asset inventory.
  2. Patch in the next maintenance window; prioritise internet-facing systems.
  3. Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2025-54400