CVE-2026-8227

Description

A weakness has been identified in Wavlink NU516U1 240425. This issue affects the function wzdapMesh of the file /cgi-bin/adm.cgi. This manipulation causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0035

Probability of exploitation

0.58%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
wavlink	wl-nu516u1_firmware	All
wavlink	wl-nu516u1	All

References

Exploits

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_6/6.md

Other References

https://vuldb.com/submit/800732 https://vuldb.com/vuln/362444 https://vuldb.com/vuln/362444/cti

Frequently Asked Questions

What is CVE-2026-8227? +

A weakness has been identified in Wavlink NU516U1 240425. This issue affects the function wzdapMesh of the file /cgi-bin/adm.cgi. This manipulation causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-8227? +

CVE-2026-8227 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0035, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-8227? +

CVE-2026-8227 affects products from wavlink, specifically: wl-nu516u1, wl-nu516u1_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-8227? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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