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NVD Vulnerability Details :
CVE-2026-2615
Analyzed
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-17 Feb, 2026 | 13:16
Updated At-18 Feb, 2026 | 19:36

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.3HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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
Primary3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary2.08.3HIGH
AV:N/AC:L/Au:M/C:C/I:C/A:C
Type: Secondary
Version: 4.0
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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
Type: Primary
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 2.0
Base score: 8.3
Base severity: HIGH
Vector:
AV:N/AC:L/Au:M/C:C/I:C/A:C
CPE Matches
WAVLINK Technology Ltd.
wavlink
>>wl-nu516u1_firmware>>Versions up to 2025-12-08(inclusive)
cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*
WAVLINK Technology Ltd.
wavlink
>>wl-nu516u1>>-
cpe:2.3:h:wavlink:wl-nu516u1:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-74Primarycna@vuldb.com
CWE-77Primarycna@vuldb.com
CWE ID: CWE-74
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-77
Type: Primary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.mdcna@vuldb.com
Exploit
Third Party Advisory
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#expcna@vuldb.com
Exploit
https://vuldb.com/?ctiid.346265cna@vuldb.com
Permissions Required
VDB Entry
https://vuldb.com/?id.346265cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/?submit.751047cna@vuldb.com
Third Party Advisory
VDB Entry
Hyperlink: https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md
Source: cna@vuldb.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#exp
Source: cna@vuldb.com
Resource:
Exploit
Hyperlink: https://vuldb.com/?ctiid.346265
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Hyperlink: https://vuldb.com/?id.346265
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/?submit.751047
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Change History
0Changes found
Details not found