{"schemaVersion":3,"id":"CVE-2026-6483","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability was found in Wavlink WL-WN530H4 20220721. This vulnerability affects the function strcat/snprintf of the file /cgi-bin/internet.cgi. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026.04.16 is able to resolve this issue. Upgrading the affected component is recommended.","dates":{"published":"2026-04-17T10:30:17.119Z","modified":"2026-04-17T10:53:26.356Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.6,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.6,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.2,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":7.2,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"CVE.org","score":8.3,"severity":"high","vector":"AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:OF/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":7.3,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.2,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":8.3,"severity":"high","vector":"AV:N/AC:L/Au:M/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.03178,"percentile":0.87948,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":-10.191,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.13369},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.03178,"percentile":0.87948}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.13369,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03178,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.03178,"percentile":0.87948}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"GITHUB_DXZ0069_WAVLINK-WN530H4-COMMAND-INJECTION-IN-SET_ADD_ROUTING","name":"Wavlink Wn530H4 Command Injection In Set Add Routing","source":"github","url":"https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.md","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command ('Command Injection')","description":"The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/77.html"},{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","description":"The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/78.html"}],"affected":[{"vendor":"wavlink","product":"wl-wn530h4_firmware","name":"wl-wn530h4 firmware","label":"wl-wn530h4_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"20220721","noFixRecorded":false,"fixedIn":null}],"versionsText":"20220721","eol":null,"hubHref":"/vendor/wavlink/wl-wn530h4"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://vuldb.com/vuln/358021","label":"vuldb.com/vuln/358021","hostname":"vuldb.com","tags":["VDB Entry","Technical Description"]},{"url":"https://vuldb.com/vuln/358021/cti","label":"vuldb.com/vuln/358021/cti","hostname":"vuldb.com","tags":["Signature","Permissions Required"]},{"url":"https://vuldb.com/submit/783055","label":"vuldb.com/submit/783055","hostname":"vuldb.com","tags":["Third Party Advisory"]},{"url":"https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.md","label":"github.com/dxz0069/…","hostname":"github.com","tags":["Exploit"]},{"url":"https://dl.wavlink.com/firmware/RD/root_uImage_WN530H4-A_2026.04.16.bin","label":"dl.wavlink.com/firmware/RD/root_uImage_WN530H4-A_2026.04.16.bin","hostname":"dl.wavlink.com","tags":["Patch"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-04-17T10:30:17.119Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-17T10:53:26.356Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":45,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T23:50:10.095Z","stale":false,"partial":false}}