{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5527","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-04-04T06:20:03.869Z","datePublished":"2026-04-04T23:15:12.490Z","dateUpdated":"2026-04-06T13:25:49.224Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-04-04T23:15:12.490Z"},"title":"Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-321","lang":"en","description":"Use of Hard-coded Cryptographic Key"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-320","lang":"en","description":"Key Management Error"}]}],"affected":[{"vendor":"Tenda","product":"4G03 Pro","versions":[{"version":"1.0","status":"affected"},{"version":"1.0re","status":"affected"},{"version":"01.bin","status":"affected"},{"version":"04.03.01.53","status":"affected"}],"modules":["ECDSA P-256 Private Key Handler"]}],"descriptions":[{"lang":"en","value":"A weakness has been identified in Tenda 4G03 Pro 1.0/1.0re/01.bin/04.03.01.53. Affected by this issue is some unknown functionality of the file /etc/www/pem/server.key of the component ECDSA P-256 Private Key Handler. This manipulation causes use of hard-coded cryptographic key\r . It is possible to initiate the attack remotely."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/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":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR"}}],"timeline":[{"time":"2026-04-04T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-04-04T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-04-04T08:25:13.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"CoreNode (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB Vulnerability Moderation Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/355280","name":"VDB-355280 | Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key","tags":["vdb-entry"]},{"url":"https://vuldb.com/vuln/355280/cti","name":"VDB-355280 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/782053","name":"Submit #782053 | Tenda 4G03 Pro V1.0 V04.03.01.53 Cryptographic Issues","tags":["third-party-advisory"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-06T13:25:37.832426Z","id":"CVE-2026-5527","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-06T13:25:49.224Z"}}]}}