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Wl Nu516u1 Firmware CVE-2025-10964

LOW
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2025-09-25 cna@vuldb.com
2.1
CVSS 4.0 · Vendor: vuldb
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Input neutralization, injection prevention
Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.20%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A weakness has been identified in Wavlink NU516U1. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-74. A weakness has been identified in Wavlink NU516U1. Affected by this vulnerability is the function sub_401B30 of the file /cgi-bin/firewall.cgi. This manipulation of the argument remoteManagementEnabled causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Wavlink Wl-Nu516U1 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (vuldb) PRIMARY 2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Primary rating from Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

4
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Oct 07, 2025 - 20:50 vuln.today
Public exploit code
CVE Published
Sep 25, 2025 - 20:15 nvd
MEDIUM 5.3

DescriptionCVE.org

A weakness has been identified in Wavlink NU516U1. Affected by this vulnerability is the function sub_401B30 of the file /cgi-bin/firewall.cgi. This manipulation of the argument remoteManagementEnabled causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

Executive ViewAI

Why It Matters

Organizations using A weakness should be aware of moderate risk from CVE-2025-10964, a injection vulnerability rated CVSS 5.3. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.

Threat Intelligence Overview

EPSS Score
0.2%
Top 57% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC Yes
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +10
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:o:wavlink:wl-nu516u1_firmware:m16u1_v240425:*:*:*:*:*:*:*
CVE-2026-3703 CRITICAL POC
9.8 Mar 08

Wavlink NU516U1 firmware 251208 has a buffer overflow enabling remote code execution through crafted HTTP requests to th

CVE-2026-3612 HIGH POC
7.2 Mar 06

Remote code execution in Wavlink WL-NU516U1 firmware allows unauthenticated attackers to execute arbitrary commands thro

CVE-2026-2615 HIGH POC
7.2 Feb 17

Wl-Nu516U1 Firmware versions up to 20251208. contains a vulnerability that allows attackers to command injection (CVSS 7

CVE-2026-3613 HIGH POC
7.2 Mar 06

Stack-based buffer overflow in Wavlink WL-NU516U1 firmware's login.cgi allows remote attackers with high privileges to a

CVE-2026-2567 HIGH POC
7.2 Feb 16

Remote code execution in Wavlink WL-NU516U1 firmware through a stack-based buffer overflow in the nas.cgi User1Passwd pa

CVE-2026-2565 MEDIUM POC
6.6 Feb 16

Stack overflow in Wavlink WL-NU516U1 firmware's /cgi-bin/adm.cgi allows remote attackers with high privileges to achieve

CVE-2025-10961 MEDIUM POC
5.1 Sep 25

A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. Rated medium severity (CVSS 5.1), this vulnerability is

CVE-2025-9149 LOW POC
2.1 Aug 19

A vulnerability was determined in Wavlink WL-NU516U1 M16U1_V240425. Rated medium severity (CVSS 5.3), this vulnerability

CVE-2025-10963 LOW POC
2.1 Sep 25

A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. Rated medium severity (CVSS 5.3), this vulnerabili

CVE-2025-10962 LOW POC
2.1 Sep 25

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. Rated medium severity (CVSS 5.3), this vulnerability is

CVE-2025-10960 LOW POC
2.1 Sep 25

A vulnerability was found in Wavlink NU516U1 M16U1_V240425. Rated medium severity (CVSS 5.3), this vulnerability is remo

CVE-2025-10959 LOW POC
2.1 Sep 25

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Rated medium severity (CVSS 5.3), this vulnerability is

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