Is CVE-2025-54400 actively exploited?

No active exploitation of CVE-2025-54400 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-54400 be exploited remotely?

Yes. CVE-2025-54400 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-54400?

CVE-2025-54400 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2025-54400

HIGH

CVE-2025-54400

CWE-121Published: October 7, 2025· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-54400 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.