Home→Vulnerabilities→CVE-2026-8191
Disclosed

CVE-2026-8191

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. This affects the function wifi_region of the file /cgi-bin/adm.cgi. Such manipulation of the argument skiplist1/skiplist2 leads to os command injection. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

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Exploitation Probability (EPSS)

Low Priority
0.09%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events
May 9, 2026
Vulnerability Disclosed
Published to component-level vulnerability database.
May 13, 2026
Last Updated
Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

2 Total
wavlink/wl-nu516u1_firmwarem16u1_v240425
wavlink/wl-nu516u1-

References

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_4/4.mdGitHub
ExploitThird Party Advisory
https://vuldb.com/submit/800730Vuldb
Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362343Vuldb
Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362343/ctiVuldb
Permissions RequiredVDB Entry

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Vulnerability Details

CVSS Base Score
6.3/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Published Date
May 9, 2026
Last Modified
May 13, 2026
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