CVE-2026-8190
Wavlink NU516U1 adm.cgi wan os command injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 9, 2026
- Updated
- May 11, 2026
- Reserved
- May 8, 2026
Description
A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. Affected by this issue is the function wan of the file /cgi-bin/adm.cgi. This manipulation of the argument ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway is directly passed by the attacker/so we can control the ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway causes os command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
NU516U1Wavlink |
|
References
- VDB-362342 | Wavlink NU516U1 adm.cgi wan os command injectionvdb-entrytechnical-description
- VDB-362342 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #800729 | Wavlink NU516U1 M16U1_V240425 Command Injectionthird-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_3/3.mdexploit
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