CVE-2026-4861 - Vulnerability Analysis

Overview

Wavlink WL-NU516U1 260227 contains a stack-based buffer overflow caused by manipulation of the Content-Length argument in /cgi-bin/nas.cgi, letting remote attackers execute arbitrary code, exploit requires crafted request.

Severity & Score

Impact

Remote attackers can execute arbitrary code, potentially leading to full system compromise.

Mitigation

Update to the latest version or apply vendor patches when available.

References

• https://github.com/Wlz1112/WAVLINK-NU516U1-V260227/blob/main/Content-Length.md
• https://vuldb.com/?ctiid.353192
• https://vuldb.com/?id.353192
• https://vuldb.com/?submit.776217

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner