Wavlink WL-NU516U1 M16U1_V240425 /cgi-bin/wireless.cgi sub_4032E4 Guest_ssid command injection

Summaryinfo

A vulnerability described as critical has been identified in Wavlink WL-NU516U1 M16U1_V240425. Affected is the function sub_4032E4 of the file /cgi-bin/wireless.cgi. Such manipulation of the argument Guest_ssid leads to command injection. This vulnerability is listed as CVE-2025-9149. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Wavlink WL-NU516U1 M16U1_V240425. Affected by this issue is the function sub_4032E4 of the file /cgi-bin/wireless.cgi. The manipulation of the argument Guest_ssid with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-9149. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at github.com. It is declared as proof-of-concept.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 7.5
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 9.8
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

08/19/2025 Advisory disclosed
08/19/2025 +0 days VulDB entry created
10/07/2025 +49 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-9149 (🔒)
GCVE (CVE): GCVE-0-2025-9149
GCVE (VulDB): GCVE-100-320528
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/19/2025 09:52
Updated: 10/07/2025 05:14
Changes: 08/19/2025 09:52 (56), 08/20/2025 04:58 (30), 10/07/2025 05:14 (12)
Complete: 🔍
Submitter: QMSSDXN
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #629181: Wavlink WL-NU516U1-A M16U1_V240425 Buffer Overflow (by QMSSDXN)

Duplicate

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