Wavlink NU516U1 M16U1_V240425 /cgi-bin/firewall.cgi sub_401778 dmz_flag command injection

Summaryinfo

A vulnerability was found in Wavlink NU516U1 M16U1_V240425. It has been classified as critical. The impacted element is the function sub_401778 of the file /cgi-bin/firewall.cgi. Performing a manipulation of the argument dmz_flag results in command injection. This vulnerability is reported as CVE-2025-10959. The attack is possible to be carried out remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical has been found in Wavlink NU516U1 M16U1_V240425. This affects the function sub_401778 of the file /cgi-bin/firewall.cgi. The manipulation of the argument dmz_flag with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-10959. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/25/2025 Advisory disclosed
09/25/2025 +0 days VulDB entry created
10/08/2025 +12 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-10959 (🔒)
GCVE (CVE): GCVE-0-2025-10959
GCVE (VulDB): GCVE-100-325827
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/25/2025 12:11
Updated: 10/08/2025 00:10
Changes: 09/25/2025 12:11 (57), 09/26/2025 06:28 (30), 10/08/2025 00:10 (11)
Complete: 🔍
Submitter: panda_0x1
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #652769: Wavlink NU516U1 M16U1_V240425 Command Injection (by panda_0x1)

Duplicate

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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