{"schema":"threatline.record/2","record":{"id":"CVE-2026-110958","aliases":[],"summary":"Wavlink WN530HG4B api.cgi heap-based overflow","details":"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.\"","categories":["Network & edge"],"product":"WN530HG4B","vendor":"Wavlink","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110958","source_modified_at":"2026-10-15T18:34:20.350Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"WN530HG4B","vendor":"Wavlink","versions":[{"version":"M30HG4B_V260724","status":"affected"},{"version":"2026-09-24-841a51c6d5_tclinux.bin","status":"unaffected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":10,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.01096,"percentile":0.65302,"score_date":"2026-10-23"},"published_at":"2026-10-15T15:30:18.031Z","modified_at":"2026-10-15T18:34:20.350Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110958","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T18:34:20.350Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110958","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://vuldb.com/vuln/420571","tags":["vdb-entry"]},{"source":"CVE List","url":"https://vuldb.com/vuln/420571/cti","tags":["signature","permissions-required"]},{"source":"CVE List","url":"https://vuldb.com/cve/CVE-2026-110958","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://vuldb.com/submit/933388","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://drive.google.com/file/d/12OOh8g9YDCbD-Q4cc52J6TH9KuOoD44A/view?usp=drive_link","tags":["exploit"]},{"source":"CVE List","url":"https://dl.wavlink.com/firmware/RD/WN530BE2_WAVLINK-WO-2026-09-24-841a51c6d5_tclinux.bin","tags":["patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-15T18:34:10.216285Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-15T18:34:20.350Z","content_hash":"be01d243e6be42418abb334ab6b4c74755043309e11d191d33460586d91e01e9"}}