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CVE-2026-8190

Wavlink NU516U1 adm.cgi wan os command injection

Published: May 9, 2026Updated: May 13, 2026 Sources: CVE List NVDCWE-77
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
5.3%
Top 8.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-77CWE-78

Affected Products

wl-nu516u1 firmwarewavlinkNetworking Infrastructure
NU516U1WavlinkNetworking Infrastructure
wavlinkcommercialCNNetworking Infrastructureaka wavlink

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_3/3.md
github.com
https://vuldb.com/submit/800729
vuldb.com
https://vuldb.com/vuln/362342
vuldb.com
and 1 more references View all →

Timeline

Published
May 9, 2026
Last Updated
May 13, 2026

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