HOMEVULNERABILITIESCVE-2026-8230
HIGH

CVE-2026-8230

CWE-77Published: May 10, 2026· Updated: May 12, 2026

8.8
CVSS v3.1
EPSS:0.84%probability of exploitation in 30 daysPercentile:74.8th

Official Description

A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

NVD Source

Technical Analysis

CVE-2026-8230 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

wavlink2 products
wl-nu516u1 firmwarewl-nu516u1
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

https://vuldb.com/submit/800735Third Party Advisory · VDB Entry
https://vuldb.com/vuln/362447Third Party Advisory · VDB Entry
https://vuldb.com/vuln/362447/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-8230
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-77
CISA KEVNo
EPSS (30d)0.84%
Affected1 vendor
PublishedMay 10, 2026

Related CVEs (CWE-77)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-8230 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.