HOMEVULNERABILITIESCVE-2026-8228
HIGH

CVE-2026-8228

CWE-77Published: May 10, 2026· Updated: May 13, 2026

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

Official Description

A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

NVD Source

Technical Analysis

CVE-2026-8228 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
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_7/7.md
ADVISORYhttps://vuldb.com/submit/800733
ADVISORYhttps://vuldb.com/vuln/362445

All References (4)

→
https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_7/7.mdExploit · Third Party Advisory
→
https://vuldb.com/submit/800733Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/362445Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/362445/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-8228
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-77
CISA KEVNo
EPSS (30d)0.84%
Affected1 vendor
PublishedMay 10, 2026

Related CVEs (CWE-77)

CVE-2025-15379
10.0
CVE-2026-20147
9.9
CVE-2026-26068
9.9
CVE-2026-52806
KEV9.9
CVE-2026-20186
9.9
CVE-2026-45663
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-8228 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.
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