A weakness has been identified in Wavlink WL-NU516U1 260227.

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. Mar 26, 2026 · NIST NVD

   Detected

   A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but di

2. Jun 17, 2026 · NIST NVD

   Updated

   A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but di

Affected

• cpe wavlink/wl-nu516u1 firmwarem16u1_v260227

Sources

• CVE.orgVulnerability recordCVE-2026-4861

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-4861

  A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been

  nvd.nist.gov

References

• Exploit · github.com
• Permissions Required · vuldb.com
• Third Party Advisory · vuldb.com
• Third Party Advisory · vuldb.com