Wavlink WL-NU516U1 260515 /cgi-bin/adm.cgi wlink_uci_set_value lan_ip os command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 1.46 |
Summary
A vulnerability labeled as critical has been found in Wavlink WL-NU516U1 260515. This vulnerability affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Executing a manipulation of the argument lan_ip can lead to os command injection.
This vulnerability is tracked as CVE-2026-15513. The attack can be launched remotely. Moreover, an exploit is present.
The affected component should be upgraded.
The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Details
A vulnerability has been found in Wavlink WL-NU516U1 260515 and classified as critical. This vulnerability affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. The manipulation of the argument lan_ip with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability was named CVE-2026-15513. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.
It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Upgrading eliminates this vulnerability. The upgrade is hosted for download at dl.wavlink.com.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Os command injectionCWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: dl.wavlink.com
Timeline
07/12/2026 Advisory disclosed07/12/2026 VulDB entry created
07/12/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2026-15513 (🔒)
GCVE (CVE): GCVE-0-2026-15513
GCVE (VulDB): GCVE-100-377842
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/12/2026 08:31Changes: 07/12/2026 08:31 (59)
Complete: 🔍
Submitter: 0xcc12138
Cache ID: 216::103
Submit
Accepted
- Submit #847517: WAVLINK NU516U1 M16U1_V260515 OS Command Injection (by 0xcc12138)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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