CVE-2026-8192: A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425

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MEDIUM 6.3MITIGATE

CVE-2026-8192 is a medium-severity flaw (CVSS 6.3) affecting wl-nu516u1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. This vulnerability affects the function wzdap of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument EncrypType/wl_Pass is directly passed by the attacker/so we can control the EncrypType/wl_Pass results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacte

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	7.9% (top 5%)
CISA exploited list	No
Weakness	CWE-77, CWE-78
Published	2026-05-09
Last modified	2026-07-24

Publisher (CNA): VulDB · Vendor: wavlink

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-09 19:16 UTCPublished CVE record published
2026-07-24 08:10 UTCUpdated Record last modified

wavlink wl-nu516u1 firmware MITIGATE

Affected: m16u1_v240425

Fixed in: no fixed release known

Safe to downgrade to: a release before m16u1_v240425

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-2026-8192?

wl-nu516u1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-8192 being exploited?

CVE-2026-8192 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-2026-8192 affect?

CVE-2026-8192 affects wl-nu516u1 firmware. Severity is medium (CVSS 6.3). A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. This vulnerability affects the function wzdap of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument EncrypType/wl_Pass is directly passed by the attacke

How urgent is CVE-2026-8192?

Priority 51/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2026-8188 MEDIUM 6.3 MITIGATE A vulnerability has been found in Wavlink NU516U1 M16U1_V240425
CVE-2026-8189 MEDIUM 6.3 MITIGATE A vulnerability was found in Wavlink NU516U1 M16U1_V240425
CVE-2026-8190 MEDIUM 6.3 MITIGATE A vulnerability was determined in Wavlink NU516U1 M16U1_V240425
CVE-2026-8191 MEDIUM 6.3 MITIGATE A vulnerability was identified in Wavlink NU516U1 M16U1_V240425

References

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