CVE-2026-3703

Published: Mar 08, 2026 Last Modified: Mar 10, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 10,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

A 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 argument ipaddr can lead to out-of-bounds write. The attack may be performed from remote. The exploit has been published and may be used. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0007
Percentile
0,2th
Updated

EPSS Score Trend (Last 8 Days)

119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Stable
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Memory Read Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory)
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
787

Out-of-bounds Write

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Technologies: ICS/OT
Likelihood of Exploit: High
View CWE Details
Operating System

Wl-Nu516U1 Firmware by Wavlink

Product Information
Vendor Wavlink
Product Wl-Nu516U1 Firmware
Version 251208
cpe:2.3:o:wavlink:wl-nu516u1_firmware:251208:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-202…
https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-02-27-2fcf6ae-mt76…
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/ma…
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/ipaddr.md
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/ma…
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/ipaddr.md#exp-exp…
https://vuldb.com/?ctiid.349649
https://vuldb.com/?ctiid.349649
https://vuldb.com/?id.349649
https://vuldb.com/?id.349649
https://vuldb.com/?submit.759226
https://vuldb.com/?submit.759226