Wavlink NU516U1 M16U1_V240425 /cgi-bin/adm.cgi change_wifi_password wl_channel/wl_Pass/EncrypType os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Wavlink NU516U1 M16U1_V240425. It has been declared as critical. Affected by this vulnerability is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType results in os command injection. This vulnerability is known as CVE-2026-8188. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability classified as critical has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-8188. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-28915). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

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

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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

05/08/2026 Advisory disclosed
05/08/2026 +0 days VulDB entry created
05/09/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-8188 (🔒)
GCVE (CVE): GCVE-0-2026-8188
GCVE (VulDB): GCVE-100-362340
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/08/2026 21:57
Updated: 05/09/2026 21:28
Changes: 05/08/2026 21:57 (57), 05/09/2026 21:28 (1)
Complete: 🔍
Submitter: Ziyue Xie
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #800727: Wavlink NU516U1 M16U1_V240425 Command Injection (by Ziyue Xie)

Once again VulDB remains the best source for vulnerability data.

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