Vulnerability Description
A vulnerability was found in Wavlink WL-NU516U1 708c073-mt7628. This impacts the function change_password of the file nas.cgi. The manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used. The affected component should be upgraded. 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-2026-18589
- https://vuldb.com/submit/850501
- https://vuldb.com/vuln/385417
- https://vuldb.com/vuln/385417/cti
FAQ
What is CVE-2026-18589?
CVE-2026-18589 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A vulnerability was found in Wavlink WL-NU516U1 708c073-mt7628. This impacts the function change_password of the file nas.cgi. The manipulation of the argument User1Passwd results in stack-based buffe...
How severe is CVE-2026-18589?
CVE-2026-18589 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-2026-18589?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.