CVE-2026-2615

A flaw has been found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. Executing a manipulation of the argument del_flag can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 7.2 HIGH
CVSS v2.0 8.3 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:M/C:C/I:C/A:C

Exploitability : 6.4 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication MULTIPLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md	Exploit Third Party Advisory
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#exp	Exploit
https://vuldb.com/?ctiid.346265	Permissions Required VDB Entry
https://vuldb.com/?id.346265	Third Party Advisory VDB Entry
https://vuldb.com/?submit.751047	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:wavlink:wl-nu516u1:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-17 13:16

Updated : 2026-02-18 19:36

NVD link : CVE-2026-2615

Mitre link : CVE-2026-2615

CVE.ORG link : CVE-2026-2615

JSON object : View

Products Affected

wavlink

wl-nu516u1_firmware
wl-nu516u1

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. Executing a manipulation of the argument del_flag can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en Wavlink WL-NU516U1 hasta 20251208. El elemento afectado es la funci\u00f3n singlePortForwardDelete del archivo /cgi-bin/cortafuegos.cgi. La ejecuci\u00f3n de una manipulaci\u00f3n del argumento del_flag puede conducir a inyecci\u00f3n de comandos. El ataque puede lanzarse de forma remota. El exploit ha sido publicado y puede usarse. El proveedor fue contactado tempranamente sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "lastModified": "2026-02-18T19:36:44.157", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "422DDC2F-7D66-4EA7-BD8A-FE781A94898D", "versionEndIncluding": "2025-12-08"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:wavlink:wl-nu516u1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C697E865-5984-4974-8A11-43CC6940ABFA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}