{"id":"CVE-2025-26409","state":"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 >= 6.4.1.","publishedAt":"2025-02-11T09:15:30.131Z","updatedAt":"2025-11-03T21:12:51.730Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"SEC-VLab","products":["Wattsense Wattsense Bridge"],"affected":[{"vendor":"Wattsense","product":"Wattsense Bridge","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"6.4.1","versionType":"custom"}]}],"references":["https://r.sec-consult.com/wattsense","https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notes","http://seclists.org/fulldisclosure/2025/Feb/9"],"weaknesses":["CWE-1299","CWE-1191"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/26xxx/CVE-2025-26409.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-26409","state":"PUBLISHED","datePublished":"2025-02-11T09:15:30.131Z","dateUpdated":"2025-11-03T21:12:51.730Z","assignerShortName":"SEC-VLab","assignerOrgId":"551230f0-3615-47bd-b7cc-93e92e730bbf","dateReserved":"2025-02-10T07:48:38.352Z"},"containers":{"cna":{"title":"Access to Bootloader and Shell Over Serial Interface","descriptions":[{"lang":"en","value":"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 >= 6.4.1."}],"affected":[{"vendor":"Wattsense","product":"Wattsense Bridge","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"6.4.1","versionType":"custom"}]}],"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"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1299","description":"CWE-1299 Missing Protection Mechanism for Alternate Hardware Interface","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1191","description":"CWE-1191 On-Chip Debug and Test Interface With Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"SEC-VLab","orgId":"551230f0-3615-47bd-b7cc-93e92e730bbf","dateUpdated":"2025-02-11T09:15:30.131Z"},"credits":[{"lang":"en","type":"finder","value":"Constantin Schieber-Knöbl | SEC Consult Vulnerability Lab"},{"lang":"en","type":"finder","value":"Stefan Schweighofer | SEC Consult Vulnerability Lab"},{"lang":"en","type":"finder","value":"Steffen Robertz | SEC Consult Vulnerability Lab"}],"impacts":[{"capecId":"CAPEC-180","descriptions":[{"lang":"en","value":"CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"This issue is fixed in recent firmware versions BSP >= 6.4.1."}],"value":"This issue is fixed in recent firmware versions BSP >= 6.4.1."}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.8,"attackVector":"PHYSICAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-02-11T14:38:08.176508Z","id":"CVE-2025-26409","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1299","type":"CWE","lang":"en","description":"CWE-1299 Missing Protection Mechanism for Alternate Hardware Interface"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-17T16:40:45.172Z"}},{"title":"CVE Program Container","references":[{"url":"http://seclists.org/fulldisclosure/2025/Feb/9"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T21:12:51.730Z"}}]}}}