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CVE Vulnerability Details :
CVE-2026-2615
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-17 Feb, 2026 | 13:02
Updated At-17 Feb, 2026 | 14:16
Rejected At-
▼CVE Numbering Authority (CNA)
Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection

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.

Affected Products
Vendor
WAVLINK Technology Ltd.Wavlink
Product
WL-NU516U1
Versions
Affected
  • 20251208
Problem Types
TypeCWE IDDescription
CWECWE-77Command Injection
CWECWE-74Injection
Type: CWE
CWE ID: CWE-77
Description: Command Injection
Type: CWE
CWE ID: CWE-74
Description: Injection
Metrics
VersionBase scoreBase severityVector
4.08.6HIGH
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
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
3.07.2HIGH
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
2.08.3N/A
AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 8.6
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
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/E:P/RL:X/RC:R
Version: 3.0
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 2.0
Base score: 8.3
Base severity: N/A
Vector:
AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
haimianbaobao (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-17 00:00:00
VulDB entry created2026-02-17 01:00:00
VulDB entry last update2026-02-17 07:58:10
Event: Advisory disclosed
Date: 2026-02-17 00:00:00
Event: VulDB entry created
Date: 2026-02-17 01:00:00
Event: VulDB entry last update
Date: 2026-02-17 07:58:10
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.346265
vdb-entry
technical-description
https://vuldb.com/?ctiid.346265
signature
permissions-required
https://vuldb.com/?submit.751047
third-party-advisory
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md
related
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#exp
exploit
Hyperlink: https://vuldb.com/?id.346265
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.346265
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.751047
Resource:
third-party-advisory
Hyperlink: https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md
Resource:
related
Hyperlink: https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#exp
Resource:
exploit
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found