Medium severity6.3NVD Advisory· Published Jun 29, 2026· Updated Jun 29, 2026
CVE-2026-13538
CVE-2026-13538
Description
A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. 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.
Affected products
2Patches
Vulnerability mechanics
References
10- dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.binnvd
- github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid2g2-command-injectionnvd
- github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid5g2-command-injectionnvd
- vuldb.com/cve/CVE-2026-13538nvd
- vuldb.com/submit/834019nvd
- vuldb.com/submit/834021nvd
- vuldb.com/submit/834022nvd
- vuldb.com/submit/834023nvd
- vuldb.com/vuln/374546nvd
- vuldb.com/vuln/374546/ctinvd
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