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Vulnerabilities

Vulnerability · CVE-2026-8191

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425.

Published May 9, 2026 · catalog updated Jul 24, 2026 · wl-nu516u1 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-8191. EPSS is 8.51%. Act only if a listed version of wl-nu516u1 firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
8.51%
Remediation
Advisory link
Affected products
cpe wavlink/wl-nu516u1 firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe wavlink/wl-nu516u1 firmwarem16u1_v240425

How to fix CVE-2026-8191

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-8191. EPSS is 8.51%. Act only if a listed version of wl-nu516u1 firmware is installed.

Which versions are affected?

Compare what you have installed with wavlink/wl-nu516u1 firmware m16u1_v240425. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-77: Command Injection; CWE-78: OS Command Injection. EPSS 8.51%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 9, 2026 · NIST NVD

    Detected

    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.

  2. Jul 24, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-8191

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-8191

    30-day exploitation probability 8.5%

    first.org
  • NIST NVDVulnerability recordCVE-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 a

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.