CVE-2025-10963 Details
Description
A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. Affected is the function sub_4016F0 of the file /cgi-bin/firewall.cgi. The manipulation of the argument del_flag results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
A command injection vulnerability has been identified in the Wavlink NU516U1 router, specifically in the M16U1_V240425 firmware version. The issue arises in the '/cgi-bin/firewall.cgi' file, within the 'sub_4016F0' function. The vulnerability is triggered by manipulating the 'del_flag' parameter, which allows for remote execution of commands. This flaw has been publicly disclosed and is actively exploitable.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 25, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md | [email protected] | ExploitThird Party Advisory |
| https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md#poc | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.325831 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.325831 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.652784 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| wavlink wl-nu516u1 firmware | m16u1_v240425 |
CPE
Remediation
| |
| wavlink wl-nu516u1 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Oct 7, 2025 | Initial Analysis | [email protected] |
| Sep 25, 2025 | New CVE Received | [email protected] |