{"id":"CVE-2025-26409","aliases":["EUVD-2025-4192","GHSA-9cmp-ppm3-hp8w"],"status":"published","title":"Access to Bootloader and Shell Over Serial Interface","description":"A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP \u003e= 6.4.1.","severity":{"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":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00333,"percentile":0.26755,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1191","CWE-1299"],"published":"2025-02-11T09:15:30Z","modified":"2026-06-17T09:01:43Z","products":[{"vendor":"wattsense","product":"wattsense bridge"}],"references":[{"url":"https://r.sec-consult.com/wattsense","tags":["third-party-advisory"]},{"url":"https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notes","tags":["release-notes"]},{"url":"http://seclists.org/fulldisclosure/2025/Feb/9"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-26409"},{"url":"https://github.com/advisories/GHSA-9cmp-ppm3-hp8w"}],"sources":{"cve":[{"id":"CVE-2025-26409","title":"Access to Bootloader and Shell Over Serial Interface","description":"A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP \u003e= 6.4.1.","status":"published","published":"2025-02-11T09:15:30.131Z","modified":"2025-11-03T21:12:51.73Z","cvss":[{"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":"adp"}],"cwes":["CWE-1299","CWE-1191","CWE-1299"],"updated_at":"2026-11-02T14:32:27.932735Z"}],"euvd":[{"id":"EUVD-2025-4192","description":"A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP \u003e= 6.4.1.","status":"published","published":"2025-02-11T09:15:30Z","modified":"2025-11-03T21:12:51Z","cvss":[{"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"}],"updated_at":"2026-11-02T19:49:31.7352Z"}],"ghsa":[{"id":"GHSA-9cmp-ppm3-hp8w","title":"A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices....","description":"A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP \u003e= 6.4.1.","status":"published","published":"2025-02-11T12:30:53Z","modified":"2025-11-04T00:32:19Z","cvss":[{"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-1191","CWE-1299"],"updated_at":"2026-11-02T15:04:31.19776Z"}],"nvd":[{"id":"CVE-2025-26409","description":"A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP \u003e= 6.4.1.","status":"published","published":"2025-02-11T10:15:09.743Z","modified":"2026-06-17T09:01:43.317Z","cvss":[{"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":"secondary"}],"cwes":["CWE-1191","CWE-1299"],"updated_at":"2026-11-02T14:10:50.916773Z"}]}}