{"id":"CVE-2026-19748","state":"PUBLISHED","title":"Tenda CH7 Kylin Web Service CWebSessionManager_ParseSession entropy","description":"A security vulnerability has been detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. Affected is the function CWebSessionManager_ParseSession of the file /user/bin/Kylin of the component Kylin Web Service. Such manipulation of the argument SESSION leads to insufficient entropy. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is told to be difficult.","publishedAt":"2026-08-13T20:15:10.451Z","updatedAt":"2026-08-14T16:44:13.929Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Tenda CH7","Tenda CH7G","Tenda CH10","Tenda CP3","Tenda CP3 Pro","Tenda CP7","Tenda TC3B14C","Tenda TC3B15C","Tenda TC3T14C","Tenda TC3T15C"],"affected":[{"vendor":"Tenda","product":"CH7","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:ch7:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CH7G","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:ch7g:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CH10","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:ch10:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CP3","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:cp3:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CP3 Pro","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:cp3_pro:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CP7","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:cp7:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3B14C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3b14c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3B15C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3b15c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3T14C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3t14c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3T15C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3t15c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]}],"references":["https://vuldb.com/vuln/389499","https://vuldb.com/vuln/389499/cti","https://vuldb.com/cve/CVE-2026-19748","https://vuldb.com/submit/868490","https://github.com/howitouchyou/Tenda-Smart-Camera-Vulnerability/blob/main/Tenda%20Weak%20Bypass/Tenda%20Camera%20Weak%20Session%20Authentication%20Bypass.md","https://www.tenda.com.cn/"],"weaknesses":["CWE-331","CWE-330"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19748.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19748","state":"PUBLISHED","datePublished":"2026-08-13T20:15:10.451Z","dateUpdated":"2026-08-14T16:44:13.929Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-13T14:39:32.611Z"},"containers":{"cna":{"title":"Tenda CH7 Kylin Web Service CWebSessionManager_ParseSession entropy","descriptions":[{"lang":"en","value":"A security vulnerability has been detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. Affected is the function CWebSessionManager_ParseSession of the file /user/bin/Kylin of the component Kylin Web Service. Such manipulation of the argument SESSION leads to insufficient entropy. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is told to be difficult."}],"affected":[{"vendor":"Tenda","product":"CH7","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:ch7:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CH7G","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:ch7g:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CH10","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:ch10:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CP3","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:cp3:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CP3 Pro","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:cp3_pro:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"CP7","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:cp7:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3B14C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3b14c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3B15C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3b15c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3T14C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3t14c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]},{"vendor":"Tenda","product":"TC3T15C","versions":[{"version":"20260625","status":"affected"}],"cpes":["cpe:2.3:h:tenda:tc3t15c:*:*:*:*:*:*:*:*"],"modules":["Kylin Web Service"]}],"references":[{"url":"https://vuldb.com/vuln/389499","name":"VDB-389499 | Tenda CH7 Kylin Web Service CWebSessionManager_ParseSession entropy","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/389499/cti","name":"VDB-389499 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-19748","name":"CVE-2026-19748 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/868490","name":"Submit #868490 | Tenda Tenda Multiple IP Cameras Multiple Versions Authentication Bypass","tags":["third-party-advisory"]},{"url":"https://github.com/howitouchyou/Tenda-Smart-Camera-Vulnerability/blob/main/Tenda%20Weak%20Bypass/Tenda%20Camera%20Weak%20Session%20Authentication%20Bypass.md","tags":["related"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.3,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":3.7,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":3.7,"vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":2.6,"vectorString":"AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-331","type":"CWE","lang":"en","description":"Insufficient Entropy"}]},{"descriptions":[{"cweId":"CWE-330","type":"CWE","lang":"en","description":"Insufficiently Random Values"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-13T20:15:10.451Z"},"timeline":[{"time":"2026-08-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-13T16:44:51.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Howitouchyou (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/howitouchyou/Tenda-Smart-Camera-Vulnerability/blob/main/Tenda%20Weak%20Bypass/Tenda%20Camera%20Weak%20Session%20Authentication%20Bypass.md","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T16:43:42.535144Z","id":"CVE-2026-19748","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-14T16:44:13.929Z"}}]}}}