{"id":"CVE-2026-121618","title":"Linksys E5600 Factory Quality Control fqc.cgi information disclosure","summary":"A weakness has been identified in Linksys E5600 1.1.0.26. This affects an unknown part of the file /cgi-bin/fqc.cgi of the component Factory Quality Control. This manipulation causes information disclosure. Remote exploitation of the att…","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/E:P/RL:X/RC:C","cvssSource":"cna","cwe":["CWE-200","CWE-284"],"vendor":"Linksys","product":"E5600","affected":["E5600 1.1.0.26"],"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T03:00:19.621Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121618","references":[{"url":"https://vuldb.com/vuln/430466","label":"VDB-430466 | Linksys E5600 Factory Quality Control fqc.cgi information disclosure"},{"url":"https://vuldb.com/vuln/430466/cti","label":"VDB-430466 | CTI Indicators (IOB, IOC, TTP, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-121618","label":"CVE-2026-121618 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1023314","label":"Submit #1023314 | Linksys E5600 1.1.0.26 Information Disclosure (CWE-200)"},{"url":"https://github.com/Zimo-666/E5600-cves/tree/main/05-fqc-info-disclosure"},{"url":"https://www.linksys.com/"}],"tags":["cve.org"],"epss":0.00752,"epssPercentile":0.55287,"ingestedAt":"2026-11-05T20:33:06.663Z","slug":"CVE-2026-121618","body":"## Overview\n\nA weakness has been identified in Linksys E5600 1.1.0.26. This affects an unknown part of the file /cgi-bin/fqc.cgi of the component Factory Quality Control. This manipulation causes information disclosure. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.\n\n## Affected\n\n- `E5600 1.1.0.26`\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":0.2,"exploitation":0,"ransomware":0},"changes":[]}