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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-18588 ↗
- dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.bin ↗
- github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md ↗
- vuldb.com/cve/CVE-2026-18588 ↗
- vuldb.com/submit/850500 ↗
- vuldb.com/vuln/385416 ↗
- vuldb.com/vuln/385416/cti ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.