CVE-2026-8230

Description

A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. 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_9/9.md

Other References

https://vuldb.com/submit/800735 https://vuldb.com/vuln/362447 https://vuldb.com/vuln/362447/cti

Frequently Asked Questions

What is CVE-2026-8230? +

A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-8230? +

CVE-2026-8230 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-2026-8230? +

CVE-2026-8230 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-2026-8230? +

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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