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Vulnerability record · CVE-2025-9149 · published 19 August 2025

CVE-2025-9149: Wavlink wl-nu516u1 firmware injection vulnerability

Wavlink · Wl Nu516u1 Firmware

A vulnerability was determined in Wavlink WL-NU516U1 M16U1_V240425. This impacts the function sub_4032E4 of the file /cgi-bin/wireless.cgi. This manipulation of the argument Guest_ssid causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

2.1 CVSS 4.0 Low EPSS 5.6% · top 7.4% CWE-74 · InjectionCWE-77 · Command injection
2.1CVSS 4.0 base score, v2 6.5
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was determined in Wavlink WL-NU516U1 M16U1_V240425. This impacts the function sub_4032E4 of the file /cgi-bin/wireless.cgi. This manipulation of the argument Guest_ssid causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md ExploitThird Party Advisory
https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md#poc ExploitThird Party Advisory
https://vuldb.com/?ctiid.320528 Permissions RequiredVDB Entry
https://vuldb.com/?id.320528 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.629181 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-9149), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.