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Vulnerability record · CVE-2026-8192 · published 9 May 2026

CVE-2026-8192: Wavlink wl-nu516u1 firmware command injection vulnerability

Wavlink · Wl Nu516u1 Firmware

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 contacted early about this disclosure.

2.1 CVSS 4.0 Low EPSS 8.5% · top 5.1% CWE-77 · Command injectionCWE-78 · OS command injection
2.1CVSS 4.0 base score, v2 6.5
8.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
24 Jul 2026Last modified by NVD

Description

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 contacted early about this disclosure.

CVSS:4.0/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_5/5.md ExploitThird Party Advisory
https://vuldb.com/submit/800731 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362344 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362344/cti Permissions RequiredVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.9CVE-2026-3703Wavlink wl-nu516u1 firmware memory buffer overflow vulnerabilityA flaw has been found in Wavlink NU516U1 251208. This affects the function sub_401A10 of the file /cgi-bin/login.cgi. Executing a manipulation of the…EPSS 1.2%7.4CVE-2026-4861Wavlink wl-nu516u1 firmware memory buffer overflow vulnerabilityA weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipul…EPSS 1.1%7.3CVE-2026-3613Wavlink wl-nu516u1 firmware memory buffer overflow vulnerabilityA vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the file /cgi-bin/login.cgi. Such…EPSS 1.1%7.3CVE-2026-3612Wavlink wl-nu516u1 firmware injection vulnerabilityA vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA …EPSS 10%7.3CVE-2026-2615Wavlink wl-nu516u1 firmware injection vulnerabilityA flaw has been found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewal…EPSS 7.8%7.3CVE-2026-2567Wavlink wl-nu516u1 firmware memory buffer overflow vulnerabilityA vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Perform…EPSS 1.1%6.6CVE-2026-2565Wavlink wl-nu516u1 firmware memory buffer overflow vulnerabilityA weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. This m…EPSS 0.99%5.1CVE-2025-10961Wavlink wl-nu516u1 firmware injection vulnerabilityA vulnerability was determined in Wavlink NU516U1 M16U1_V240425. This affects the function sub_4030C0 of the file /cgi-bin/wireless.cgi of the compon…EPSS 8.1%

Source: NIST National Vulnerability Database (record CVE-2026-8192), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.