{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-9146","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2025-08-19T07:25:39.833Z","datePublished":"2025-08-19T16:02:06.364Z","dateUpdated":"2025-08-19T19:20:28.216Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2025-08-19T16:02:06.364Z"},"title":"Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-327","lang":"en","description":"Risky Cryptographic Algorithm"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-310","lang":"en","description":"Cryptographic Issues"}]}],"affected":[{"vendor":"Linksys","product":"E5600","versions":[{"version":"1.1.0.26","status":"affected"}],"modules":["Firmware Handler"]}],"descriptions":[{"lang":"en","value":"A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of the file checkFw.sh of the component Firmware Handler. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. The vendor was contacted early about this disclosure but did not respond in any way."},{"lang":"de","value":"Es wurde eine Schwachstelle in Linksys E5600 1.1.0.26 entdeckt. Betroffen davon ist die Funktion verify_gemtek_header der Datei checkFw.sh der Komponente Firmware Handler. Durch das Beeinflussen mit unbekannten Daten kann eine risky cryptographic algorithm-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Ein Angriff erfordert eine vergleichsweise hohe Komplexität. Sie ist schwierig auszunutzen."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":7.5,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":6.6,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.6,"vectorString":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":6.8,"vectorString":"AV:N/AC:H/Au:M/C:C/I:C/A:C/E:ND/RL:ND/RC:UR"}}],"timeline":[{"time":"2025-08-19T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-08-19T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-08-19T09:30:42.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"IOT_Res (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.320525","name":"VDB-320525 | Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.320525","name":"VDB-320525 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.628642","name":"Submit #628642 | Linksys E5600 1.1.0.26 CWE-327 Use of a Broken or Risky Cryptographic Algorithm","tags":["third-party-advisory"]},{"url":"https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md","tags":["patch"]},{"url":"https://www.linksys.com/","tags":["product"]}]},"adp":[{"references":[{"url":"https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-19T19:20:14.881097Z","id":"CVE-2025-9146","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-08-19T19:20:28.216Z"}}]}}