{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-58457: Shenzhen Aitemi M300 MT02 Unauthenticated OS Command Injection via protocol.csp","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-58457","status":"final","version":"1","initial_release_date":"2026-07-01T19:22:42.559Z","current_release_date":"2026-07-01T19:23:25.177Z","revision_history":[{"date":"2026-07-01T19:22:42.559Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Shenzhen Aitemi M300 Wi-Fi Repeater (hardware model MT02) contains an unauthenticated OS command injection vulnerability that allows network-adjacent attackers to execute arbitrary shell commands by injecting unsanitized input through the smacfilter_conf handler in the commuos web backend. Attackers can append semicolon-delimited payloads to the name, enable, or mac GET parameters, which are passed without sanitization into sprintf() to build uci shell commands executed via doSystemCmdComlib(), granting full root-level control of the device.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-58457 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-58457"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-58457"},{"category":"external","summary":"Researcher Disclosure","url":"https://github.com/IEATASICS/m300-repeater-bugs#"},{"category":"external","summary":"Product Webpage","url":"https://www.aliexpress.us/item/3256806767641280.html"},{"category":"external","summary":"vulncheck.com","url":"https://www.vulncheck.com/advisories/shenzhen-aitemi-m300-mt02-unauthenticated-os-command-injection-via-protocol-csp"}]},"product_tree":{"branches":[{"category":"vendor","name":"Shenzhen Aitemi E Commerce Co. Ltd.","branches":[{"category":"product_name","name":"M300 Wi-Fi Repeater","branches":[{"category":"product_version","name":"*","product":{"name":"Shenzhen Aitemi E Commerce Co. Ltd. M300 Wi-Fi Repeater *","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:shenzhen_aitemi_e_commerce_co._ltd.:m300_wi-fi_repeater:\\*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-58457","title":"Shenzhen Aitemi M300 MT02 Unauthenticated OS Command Injection via protocol.csp","notes":[{"category":"description","text":"Shenzhen Aitemi M300 Wi-Fi Repeater (hardware model MT02) contains an unauthenticated OS command injection vulnerability that allows network-adjacent attackers to execute arbitrary shell commands by injecting unsanitized input through the smacfilter_conf handler in the commuos web backend. Attackers can append semicolon-delimited payloads to the name, enable, or mac GET parameters, which are passed without sanitization into sprintf() to build uci shell commands executed via doSystemCmdComlib(), granting full root-level control of the device.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":9.3,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}