CVE-2025-44868: Wavlink WL-WN530H4 20220801 was found to contain a command injection vulnerability in the ping_test function o

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-44868 is a critical-severity flaw (CVSS 9.8) affecting wl-wn530h4 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Wavlink WL-WN530H4 20220801 was found to contain a command injection vulnerability in the ping_test function of the adm.cgi via the pingIp parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-77
Published	2025-05-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wavlink

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-02 15:15 UTCPublished CVE record published
2026-06-17 09:25 UTCUpdated Record last modified

wavlink wl-wn530h4 firmware MITIGATE

Affected: 20220801

Fixed in: no fixed release known

Safe to downgrade to: a release before 20220801

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · ibus-typing-booster · FIXED · 2.31.3-1.eln159 · FEDORA-2026-c895c68d60 · source

sudo dnf upgrade --advisory=FEDORA-2026-c895c68d60

Fedora 46 · perl-WWW-OrangeHRM-Client · FIXED · 0.12.0-21.fc46 · FEDORA-2026-2d14efca09 · source

sudo dnf upgrade --advisory=FEDORA-2026-2d14efca09

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/Summermu/VulnForIoT/blob/main/Wavlink_WL-WN530H4/ping_test/readme.md
Write-up: github.com/Summermu/VulnForIoT/tree/main/Wavlink_WL-WN530H4/ping_test/readme.md

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-2025-44868?

wl-wn530h4 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-44868 being exploited?

CVE-2025-44868 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-2025-44868 affect?

CVE-2025-44868 affects wl-wn530h4 firmware. Severity is critical (CVSS 9.8). Wavlink WL-WN530H4 20220801 was found to contain a command injection vulnerability in the ping_test function of the adm.cgi via the pingIp parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

How urgent is CVE-2025-44868?

Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

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