CVE-2026-2615

HIGH EPSS 95.1%
Published Feb 17, 20264mo ago · Modified Jun 17, 20261w ago
7.3 CVSS 4.0
High
Find Similar
Published Feb 17, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score
7.3
Exploitability
Impact
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
95.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-74
CWE-77 Command Injection Injection

Affected Products 2

VendorProductVersionRange
wavlinkwl-nu516u1_firmware* ≤2025-12-08
wavlinkwl-nu516u1*any

References 5

  • github.com https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md
    ExploitThird Party Advisory
  • github.com https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#exp
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.346265
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.346265
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.751047
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.