Stack-Based Buffer Overflow in Planet WGR-500 Router
CVE-2025-54399

8.8HIGH

Key Information:

Vendor

Planet

Status
Wgr-500
Vendor
CVE Published:
7 October 2025

What is CVE-2025-54399?

Multiple stack-based buffer overflow vulnerabilities exist in the formPingCmd functionality of the Planet WGR-500 router. By sending a specially crafted series of HTTP requests, an attacker can exploit these vulnerabilities, specifically targeting the ipaddr request parameter to manipulate the command string that executes ping commands. This can lead to potential execution of arbitrary code, making systems vulnerable to further exploitation.

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Affected Version(s)

WGR-500 v1.3411b190912

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Francesco Benvenuto of Cisco Talos.
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