Description
A vulnerability was found in Wavlink WN530HG4B M30HG4B_V260724. The impacted element is an unknown function of the file api.cgi. The manipulation results in heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026-09-24-841a51c6d5_tclinux.bin is sufficient to resolve this issue. The affected component should be upgraded. The vendor confirms: "We confirm the finding, and it has already been addressed. In the current firmware the api=info&client=app handler no longer builds a shell command: the login script is now invoked through an argument vector (execvp) instead of system(), and the client address is length-limited and null-checked."
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-110958 ↗
- dl.wavlink.com/firmware/RD/WN530BE2_WAVLINK-WO-2026-09-24-841a51c6d5_tclinux.bin ↗
- drive.google.com/file/d/12OOh8g9YDCbD-Q4cc52J6TH9KuOoD44A/view ↗
- vuldb.com/cve/CVE-2026-110958 ↗
- vuldb.com/submit/933388 ↗
- vuldb.com/vuln/420571 ↗
- vuldb.com/vuln/420571/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.