Vulnerability Description
A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENT_LENGTH leads to stack-based buffer overflow. Remote exploitation of the attack is possible. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt762
- https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md
- https://vuldb.com/cve/CVE-2026-18588
- https://vuldb.com/submit/850500
- https://vuldb.com/vuln/385416
- https://vuldb.com/vuln/385416/cti
- https://vuldb.com/submit/850500
FAQ
What is CVE-2026-18588?
CVE-2026-18588 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENT_LENGTH leads to stack-based buffer ov...
How severe is CVE-2026-18588?
CVE-2026-18588 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-18588?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.