{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-120240","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-10-31T20:14:25.434Z","datePublished":"2026-11-01T18:30:11.233Z","dateUpdated":"2026-11-01T18:30:11.233Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-11-01T18:30:11.233Z"},"title":"WAVLINK WN553X1-B WireGuard CLI Group ioos sub_41A748 os command injection","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-78","lang":"en","description":"OS Command Injection"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-77","lang":"en","description":"Command Injection"}]}],"affected":[{"vendor":"WAVLINK","product":"WN553X1-B","versions":[{"version":"V260403_2.0.0","status":"affected"}],"cpes":["cpe:2.3:a:wavlink:wn553x1-b:*:*:*:*:*:*:*:*"],"modules":["WireGuard CLI Group Handler"]}],"descriptions":[{"lang":"en","value":"A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0. This issue affects the function sub_41A748 of the file /bin/ioos of the component WireGuard CLI Group Handler. Executing a manipulation of the argument group_id/group_name can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.4,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":9.9,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":9.9,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV2_0":{"version":"2.0","baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-10-31T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-10-31T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-10-31T21:19:39.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"shuyi (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/429599","name":"VDB-429599 | WAVLINK WN553X1-B WireGuard CLI Group ioos sub_41A748 os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/429599/cti","name":"VDB-429599 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-120240","name":"CVE-2026-120240 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/919251","name":"Submit #919251 | Wavlink Router Firmware V260403_2.0.0 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_wireguard_cli_group_command_injection.md","tags":["exploit"]}],"x_generator":["VulDB PVTS v202611"]}}}