CVE-2026-13538
Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jun 29, 2026
- Updated
- Jun 29, 2026
- Reserved
- Jun 28, 2026
Description
A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. 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.
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:O/RC:C | 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:O/RC:C | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
WL-NU516U1-AWavlink |
|
References
- VDB-374546 | Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injectionvdb-entrytechnical-description
- VDB-374546 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-13538 | CVE Analysis and Reportthird-party-advisory
- Submit #834019 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injectionthird-party-advisory
- Submit #834021 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection (Duplicate)third-party-advisory
- Submit #834022 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection (Duplicate)third-party-advisory
- Submit #834023 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection (Duplicate)third-party-advisory
- https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid2g2-command-injectionrelated
- https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid5g2-command-injectionexploit
- https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.binpatch
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.