{"id":"CVE-2026-0715","aliases":["EUVD-2026-5532","GHSA-636r-hfj8-v9m7"],"status":"published","title":"Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique...","description":"Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique bootloader password provided on the device. An attacker with physical access to the device could use this information to access the bootloader menu via a serial interface.  Access to the bootloader menu does not allow full system takeover or privilege escalation. The bootloader enforces digital signature verification and only permits flashing of Moxa-signed images. As a result, an attacker cannot install malicious firmware or execute arbitrary code. The primary impact is limited to a potential temporary denial-of-service condition if a valid image is reflashed. Remote exploitation is not possible.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00247,"percentile":0.1606,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2026-02-05T17:01:20Z","modified":"2026-06-17T10:11:15Z","products":[{"vendor":"moxa","product":"uc-1200a series"},{"vendor":"moxa","product":"uc-1222a_firmware"},{"vendor":"moxa","product":"uc-2222a-t-ap_firmware"},{"vendor":"moxa","product":"uc-2222a-t-eu_firmware"},{"vendor":"moxa","product":"uc-2222a-t-us_firmware"},{"vendor":"moxa","product":"uc-2222a-t_firmware"},{"vendor":"moxa","product":"uc-3420a-t-lte_firmware"},{"vendor":"moxa","product":"uc-3424a-t-lte_firmware"},{"vendor":"moxa","product":"uc-3430a-t-lte-wifi_firmware"},{"vendor":"moxa","product":"uc-3434a-t-lte-wifi_firmware"},{"vendor":"moxa","product":"uc-4410a-t_firmware"},{"vendor":"moxa","product":"uc-4414a-i-t_firmware"},{"vendor":"moxa","product":"uc-4430a-t_firmware"},{"vendor":"moxa","product":"uc-4434a-i-t_firmware"},{"vendor":"moxa","product":"uc-4450a-t-5g_firmware"},{"vendor":"moxa","product":"uc-4454a-t-5g_firmware"},{"vendor":"moxa","product":"uc-8210-t-lx-s_firmware"},{"vendor":"moxa","product":"uc-8220-t-lx-ap-s_firmware"},{"vendor":"moxa","product":"uc-8220-t-lx-eu-s_firmware"},{"vendor":"moxa","product":"uc-8220-t-lx-us-s_firmware"},{"vendor":"moxa","product":"uc-8220-t-lx_firmware"},{"vendor":"moxa","product":"v1202-ct-t_firmware"},{"vendor":"moxa","product":"v1222-ct-t_firmware"},{"vendor":"moxa","product":"v1222-w-ct-t_firmware"},{"vendor":"moxa","product":"v2406c-kl1-ct-t_firmware"},{"vendor":"moxa","product":"v2406c-kl1-t_firmware"},{"vendor":"moxa","product":"v2406c-kl3-t_firmware"},{"vendor":"moxa","product":"v2406c-kl5-t_firmware"},{"vendor":"moxa","product":"v2406c-kl7-ct-t_firmware"},{"vendor":"moxa","product":"v2406c-kl7-t_firmware"},{"vendor":"moxa","product":"v2406c-wl1-ct-t_firmware"},{"vendor":"moxa","product":"v2406c-wl1-t_firmware"},{"vendor":"moxa","product":"v2406c-wl3-t_firmware"},{"vendor":"moxa","product":"v2406c-wl5-t_firmware"},{"vendor":"moxa","product":"v2406c-wl7-ct-t_firmware"},{"vendor":"moxa","product":"v2406c-wl7-t_firmware"}],"references":[{"url":"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-255121-cve-2026-0714-cve-2026-0715-multiple-vulnerabilities-in-industrial-computers","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0715"},{"url":"https://github.com/advisories/GHSA-636r-hfj8-v9m7"}],"sources":{"cve":[{"id":"CVE-2026-0715","description":"Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique bootloader password provided on the device. An attacker with physical access to the device could use this information to access the bootloader menu via a serial interface.  Access to the bootloader menu does not allow full system takeover or privilege escalation. The bootloader enforces digital signature verification and only permits flashing of Moxa-signed images. As a result, an attacker cannot install malicious firmware or execute arbitrary code. The primary impact is limited to a potential temporary denial-of-service condition if a valid image is reflashed. Remote exploitation is not possible.","status":"published","published":"2026-02-05T17:01:20.476Z","modified":"2026-02-05T17:34:04.225Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-5532","description":"Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique bootloader password provided on the device. An attacker with physical access to the device could use this information to access the bootloader menu via a serial interface.  Access to the bootloader menu does not allow full system takeover or privilege escalation. The bootloader enforces digital signature verification and only permits flashing of Moxa-signed images. As a result, an attacker cannot install malicious firmware or execute arbitrary code. The primary impact is limited to a potential temporary denial-of-service condition if a valid image is reflashed. Remote exploitation is not possible.","status":"published","published":"2026-02-05T17:01:20Z","modified":"2026-02-05T17:34:04Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:48:43.229255Z"}],"ghsa":[{"id":"GHSA-636r-hfj8-v9m7","title":"Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique...","description":"Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique bootloader password provided on the device. An attacker with physical access to the device could use this information to access the bootloader menu via a serial interface.  Access to the bootloader menu does not allow full system takeover or privilege escalation. The bootloader enforces digital signature verification and only permits flashing of Moxa-signed images. As a result, an attacker cannot install malicious firmware or execute arbitrary code. The primary impact is limited to a potential temporary denial-of-service condition if a valid image is reflashed. Remote exploitation is not possible.","status":"published","published":"2026-02-05T18:30:32Z","modified":"2026-02-18T18:31:26Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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","level":"high"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T15:06:15.594622Z"}],"nvd":[{"id":"CVE-2026-0715","description":"Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique bootloader password provided on the device. An attacker with physical access to the device could use this information to access the bootloader menu via a serial interface.  Access to the bootloader menu does not allow full system takeover or privilege escalation. The bootloader enforces digital signature verification and only permits flashing of Moxa-signed images. As a result, an attacker cannot install malicious firmware or execute arbitrary code. The primary impact is limited to a potential temporary denial-of-service condition if a valid image is reflashed. Remote exploitation is not possible.","status":"published","published":"2026-02-05T17:16:13.333Z","modified":"2026-06-17T10:11:15.297Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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","level":"high","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:12:05.149641Z"}]}}