{"id":"CVE-2026-5527","title":"A weakness has been identified in Tenda 4G03 Pro 1.0/1.0re/01.bin/04.03.01.53","summary":"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 c…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-320","CWE-321"],"vendor":"tenda","product":"4g03_pro_firmware","affected":["4g03_pro_firmware = 04.03.01.53"],"published":"2026-04-05","updated":"2026-07-24","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-5527","references":[{"url":"https://vuldb.com/submit/782053","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/355280","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/355280/cti","label":"cna@vuldb.com"},{"url":"https://www.tenda.com.cn/","label":"cna@vuldb.com"}],"tags":["nvd"],"epss":0.00435,"epssPercentile":0.37159,"ingestedAt":"2026-07-24T09:23:51.202Z","slug":"CVE-2026-5527","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `4g03_pro_firmware = 04.03.01.53`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}