{"id":"CVE-2026-15570","state":"PUBLISHED","title":"Improper URL Scheme and Destination Validation in SmartCenter browserseturl Command","description":"An improper restriction of URL schemes and destinations in the SmartCenter browserseturl command in the Telefunken TE24553B45V2DZ Smart TV running on the Vestel MB181 / Voltron181 / TiVo OS platform allows an attacker with access to the same local network to cause the embedded browser to issue requests to unintended loopback/internal destinations, including 127.0.0.1 addresses. In demonstrated scenarios, requests initiated through the SmartCenter browserseturl mechanism could reach an internal service and receive a successful response, although the same destination was not reachable through normal browser navigation. The issue affects firmware version V2.78.0.0 and is fixed in firmware version V2.85.2.0.","publishedAt":"2026-08-07T13:32:45.790Z","updatedAt":"2026-08-07T14:26:15.788Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N","source":"Vestel"},"assigner":"Vestel","products":["Vestel Telefunken TE24553B45V2DZ Smart TV"],"affected":[{"vendor":"Vestel","product":"Telefunken TE24553B45V2DZ Smart TV","defaultStatus":"unknown","versions":[{"version":"V2.78.0.0","status":"affected"},{"version":"V2.85.2.0","status":"unaffected"}],"platforms":["Vestel MB181 / Voltron181 / TiVo OS"],"modules":["Smart Center","browserseturl command"]}],"references":["https://firebasestorage.googleapis.com/v0/b/vestel-shield.firebasestorage.app/o/PRODUCTION%2F4%2FVSA-4.pdf?alt=media&token=61fb45d3-b88e-4810-a620-693a1c693db4","https://vestelinternational.com/security-advisories"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/15xxx/CVE-2026-15570.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15570","state":"PUBLISHED","datePublished":"2026-08-07T13:32:45.790Z","dateUpdated":"2026-08-07T14:26:15.788Z","assignerShortName":"Vestel","assignerOrgId":"5431be70-064b-4f6a-be51-69eacabef109","dateReserved":"2026-07-13T07:02:12.638Z"},"containers":{"cna":{"title":"Improper URL Scheme and Destination Validation in SmartCenter browserseturl Command","descriptions":[{"lang":"en","value":"An improper restriction of URL schemes and destinations in the SmartCenter browserseturl command in the Telefunken TE24553B45V2DZ Smart TV running on the Vestel MB181 / Voltron181 / TiVo OS platform allows an attacker with access to the same local network to cause the embedded browser to issue requests to unintended loopback/internal destinations, including 127.0.0.1 addresses. In demonstrated scenarios, requests initiated through the SmartCenter browserseturl mechanism could reach an internal service and receive a successful response, although the same destination was not reachable through normal browser navigation. The issue affects firmware version V2.78.0.0 and is fixed in firmware version V2.85.2.0."}],"affected":[{"vendor":"Vestel","product":"Telefunken TE24553B45V2DZ Smart TV","defaultStatus":"unknown","versions":[{"version":"V2.78.0.0","status":"affected"},{"version":"V2.85.2.0","status":"unaffected"}],"platforms":["Vestel MB181 / Voltron181 / TiVo OS"],"modules":["Smart Center","browserseturl command"]}],"references":[{"url":"https://firebasestorage.googleapis.com/v0/b/vestel-shield.firebasestorage.app/o/PRODUCTION%2F4%2FVSA-4.pdf?alt=media&token=61fb45d3-b88e-4810-a620-693a1c693db4","tags":["vendor-advisory"]},{"url":"https://vestelinternational.com/security-advisories","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918 Server-Side request forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"Vestel","orgId":"5431be70-064b-4f6a-be51-69eacabef109","dateUpdated":"2026-08-07T13:32:45.790Z"},"datePublic":"2026-08-07T13:13:00.000Z","impacts":[{"capecId":"CAPEC-664","descriptions":[{"lang":"en","value":"CAPEC-664 Server Side Request Forgery"}]}],"solutions":[{"lang":"en","value":"Upgrade the affected product to firmware version V2.85.2.0.","supportingMedia":[{"type":"text/html","base64":false,"value":"Upgrade the affected product to firmware version V2.85.2.0."}]}],"credits":[{"lang":"en","value":"Francesco Caligiuri","type":"finder"}],"source":{"advisory":"VSA-4","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-07T14:25:53.841501Z","id":"CVE-2026-15570","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-07T14:26:15.788Z"}}]}}}