Stack-Based Buffer Overflow in Planet WGR-500 Router
CVE-2025-54400

8.8HIGH

Key Information:

Vendor

Planet

Status
Wgr-500
Vendor
CVE Published:
7 October 2025

What is CVE-2025-54400?

Multiple stack-based buffer overflow vulnerabilities have been identified in the formPingCmd functionality of the Planet WGR-500 router. By sending a crafted series of HTTP requests, an attacker can exploit these vulnerabilities, leading to potential unauthorized access or remote code execution. The vulnerabilities are triggered by manipulating the counts request parameter associated with the command used for pinging IP addresses. Proper network security measures should be implemented to mitigate these risks.

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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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