CVE-2026-8189
Wavlink NU516U1 adm.cgi wzdrepeater os command injection
Description
A vulnerability was found in Wavlink NU516U1 M16U1_V240425. Affected by this vulnerability is the function wzdrepeater of the file /cgi-bin/adm.cgi. The manipulation of the argument wlan_bssid/sel_Automode/sel_EncrypTyp results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.
INFO
Published Date :
May 9, 2026, 5:16 p.m.
Last Modified :
May 13, 2026, 4:09 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-8189
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Contact vendor for firmware update.
- Apply firmware update when available.
- Restrict access to affected devices.
- Monitor network for suspicious activity.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-8189.
| URL | Resource |
|---|---|
| https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_2/2.md | Exploit Third Party Advisory |
| https://vuldb.com/submit/800728 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/362341 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/362341/cti | Permissions Required VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-8189 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-8189
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8189 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-8189 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration AND OR *cpe:2.3:o:wavlink:wl-nu516u1_firmware:m16u1_v240425:*:*:*:*:*:*:* OR cpe:2.3:h:wavlink:wl-nu516u1:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_2/2.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/submit/800728 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/362341 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/362341/cti Types: Permissions Required, VDB Entry -
New CVE Received by [email protected]
May. 09, 2026
Action Type Old Value New Value Added Description A vulnerability was found in Wavlink NU516U1 M16U1_V240425. Affected by this vulnerability is the function wzdrepeater of the file /cgi-bin/adm.cgi. The manipulation of the argument wlan_bssid/sel_Automode/sel_EncrypTyp results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-78 Added CWE CWE-77 Added Reference https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_2/2.md Added Reference https://vuldb.com/submit/800728 Added Reference https://vuldb.com/vuln/362341 Added Reference https://vuldb.com/vuln/362341/cti