Wavlink WL-NU516U1 wireless.cgi sub_4032E4 command injection
Published Aug 19, 2025
5.3
MEDIUMCVSS 4.0
EPSS 5.10%
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.
Affected products
-
- Version M16U1_V240425StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Wavlink | WL-Nu516u1 | n/a |
|
- m16u1_v240425
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
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
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
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
1 other source (NVD) ▾
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Aug 19, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 5.10% (0.05102) | 92.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.60% (0.05603) | 91.90th | v5 (v2026.06.15) |
| Aug 20, 2025 | 0.86% (0.00856) | 74.04th | v4 (v2025.03.14) |
References (5)
- https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md relatedExploitThird Party Advisory
- https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md#poc exploitThird Party Advisory
- https://vuldb.com/?ctiid.320528 signaturepermissions-requiredPermissions RequiredVDB Entry
- https://vuldb.com/?id.320528 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
- https://vuldb.com/?submit.629181 third-party-advisoryThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md | relatedExploitThird Party Advisory | |
| https://github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md#poc | exploitThird Party Advisory | |
| https://vuldb.com/?ctiid.320528 | signaturepermissions-requiredPermissions RequiredVDB Entry | |
| https://vuldb.com/?id.320528 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry | |
| https://vuldb.com/?submit.629181 | third-party-advisoryThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.