{"api_version":"1","generated_at":"2026-05-31T12:20:06+00:00","cve":"CVE-2026-45255","urls":{"html":"https://cve.report/CVE-2026-45255","api":"https://cve.report/api/cve/CVE-2026-45255.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45255","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45255"},"summary":{"title":"Remote code execution via installer Wi-Fi access point scans","description":"When bsdinstall or bsdconfig are prompted to scan for nearby Wi-Fi networks, they build up a list of network names and use bsddialog(1) to prompt the user to select a network.  This is implemented using a shell script, and the code which handled network names was not careful to prevent expansion by the shell.  As a result, a suitably crafted network name can be used to execute commands via a subshell.\n\nThe problem can be exploited to execute code as root on the system running bsdinstall or bsdconfig.  The attacker would need to create an access point with a specially crafted name and be within range of a Wi-Fi scan.  Note that bsdinstall and bsdconfig are vulnerable as soon as the user prompts them to scan for nearby networks; they do not need to actually select the malicious network.","state":"PUBLISHED","assigner":"freebsd","published_at":"2026-05-21 10:16:26","updated_at":"2026-05-21 19:00:34"},"problem_types":["CWE-78","CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS 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code execution via installer Wi-Fi access point scans","CVE":"CVE-2026-45255","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45255","Ordinal":"1","NoteData":"When bsdinstall or bsdconfig are prompted to scan for nearby Wi-Fi networks, they build up a list of network names and use bsddialog(1) to prompt the user to select a network.  This is implemented using a shell script, and the code which handled network names was not careful to prevent expansion by the shell.  As a result, a suitably crafted network name can be used to execute commands via a subshell.\n\nThe problem can be exploited to execute code as root on the system running bsdinstall or bsdconfig.  The attacker would need to create an access point with a specially crafted name and be within range of a Wi-Fi scan.  Note that bsdinstall and bsdconfig are vulnerable as soon as the user prompts them to scan for nearby networks; they do not need to actually select the malicious network.","Type":"Description","Title":"Remote code execution via installer Wi-Fi access point scans"}]}}}