CVE-2025-54399: Multiple stack-based buffer overflow vulnerabilities exist in the formPingCmd functionality of Planet WGR-500

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HIGH 8.8MITIGATE

CVE-2025-54399 is a high-severity flaw (CVSS 8.8) affecting wgr-500 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-10-07
Last modified	2026-10-08

Publisher (CNA): Talos · Vendor: planet

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-07 14:15 UTCPublished CVE record published
2026-10-08 22:10 UTCUpdated Record last modified

planet wgr-500 firmware MITIGATE

Affected: 1.3411b190912

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3411b190912

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-54399?

wgr-500 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-54399 being exploited?

CVE-2025-54399 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-54399 affect?

CVE-2025-54399 affects wgr-500 firmware. Severity is high (CVSS 8.8). 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

How urgent is CVE-2025-54399?

Priority 50/100. High severity; Public exploit reference

Related CVEs

CVE-2025-48826 HIGH 8.8 MITIGATE A format string vulnerability exists in the formPingCmd functionality of Planet WGR-500 v1.3411b190912
CVE-2025-54403 HIGH 8.8 MITIGATE Multiple OS command injection vulnerabilities exist in the swctrl functionality of Planet WGR-500 v1.3411b1909
CVE-2025-54404 HIGH 8.8 MITIGATE Multiple OS command injection vulnerabilities exist in the swctrl functionality of Planet WGR-500 v1.3411b1909
CVE-2025-54405 HIGH 8.8 MITIGATE Multiple OS command injection vulnerabilities exist in the formPingCmd functionality of Planet WGR-500 v1.3411
CVE-2025-54406 HIGH 8.8 MITIGATE Multiple OS command injection vulnerabilities exist in the formPingCmd functionality of Planet WGR-500 v1.3411

References

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