Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-8191— Wavlink NU516U1 adm.cgi wifi_region os command injection

Quick assessment

Affected
Wavlink NU516U1
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Wavlink NU516U1是中国睿因（Wavlink）公司的一款无线打印服务器。 Wavlink NU516U1 M16U1_V240425版本存在命令注入漏洞，该漏洞源于文件/cgi-bin/adm.cgi中wifi_region函数对参数skiplist1/skiplist2的操作，可能导致OS命令注入。

CVSS 6.3 · Medium EPSS 5.34% · P92

Affected Version Matrix 1

VendorProduct Version RangeStatus
Wavlink NU516U1 M16U1_V240425 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-8191

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Wavlink NU516U1 adm.cgi wifi_region os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Wavlink NU516U1 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wavlink NU516U1是中国睿因（Wavlink）公司的一款无线打印服务器。 Wavlink NU516U1 M16U1_V240425版本存在命令注入漏洞，该漏洞源于文件/cgi-bin/adm.cgi中wifi_region函数对参数skiplist1/skiplist2的操作，可能导致OS命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wavlink NU516U1 M16U1_V240425 -

II. Public POCs for CVE-2026-8191

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-8191

请登录查看更多情报信息。

Other References for CVE-2026-8191 (1)

Same Patch Batch · Wavlink · 2026-05-09 · 5 CVEs total

CVE-2026-8192 6.3 MEDIUM Wavlink NU516U1 adm.cgi wzdap os command injection
CVE-2026-8190 6.3 MEDIUM Wavlink NU516U1 adm.cgi wan os command injection
CVE-2026-8189 6.3 MEDIUM Wavlink NU516U1 adm.cgi wzdrepeater os command injection
CVE-2026-8188 6.3 MEDIUM Wavlink NU516U1 adm.cgi change_wifi_password os command injection

IV. Related Vulnerabilities

Same product: NU516U1
Same vendor: Wavlink
Same weakness: CWE-78

V. Comments for CVE-2026-8191

No comments yet

Leave a comment