CVE-2025-25528: Multiple buffer overflow vulnerabilities in Wavlink WL-WN575A3 RPT75A3.V4300, which are caused by not performi

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MEDIUM 5.1MITIGATE

CVE-2025-25528 is a medium-severity flaw (CVSS 5.1) affecting wl-wn575a3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflow vulnerabilities in Wavlink WL-WN575A3 RPT75A3.V4300, which are caused by not performing strict length checks on user-controlled data. By successfully exploiting the vulnerabilities, attackers can crash the remote devices or execute arbitrary commands without any authorization verification.

Why this priority

EPSS top 10%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.1 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.9% (top 10%)
CISA exploited list	No
Weakness	CWE-120
Published	2025-02-11
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

2025-02-11 20:15 UTCPublished CVE record published
2026-06-17 09:00 UTCUpdated Record last modified

wavlink wl-wn575a3 firmware MITIGATE

Affected: rpt75a3.v4300

Fixed in: no fixed release known

Safe to downgrade to: a release before rpt75a3.v4300

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-2025-25528?

wl-wn575a3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-25528 being exploited?

CVE-2025-25528 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-2025-25528 affect?

CVE-2025-25528 affects wl-wn575a3 firmware. Severity is medium (CVSS 5.1). Multiple buffer overflow vulnerabilities in Wavlink WL-WN575A3 RPT75A3.V4300, which are caused by not performing strict length checks on user-controlled data. By successfully exploiting the vulnerabilities, attackers can crash the remote de

How urgent is CVE-2025-25528?

Priority 45/100. EPSS top 10%: very likely to be exploited; Public exploit reference

References

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