{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-8940","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2025-08-13T12:01:39.751Z","datePublished":"2025-08-14T05:32:11.901Z","dateUpdated":"2025-08-15T12:58:09.232Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2025-08-14T05:32:11.901Z"},"title":"Tenda AC20 saveParentControlInfo strcpy buffer overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-120","lang":"en","description":"Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"Tenda","product":"AC20","versions":[{"version":"16.03.08.0","status":"affected"},{"version":"16.03.08.1","status":"affected"},{"version":"16.03.08.2","status":"affected"},{"version":"16.03.08.3","status":"affected"},{"version":"16.03.08.4","status":"affected"},{"version":"16.03.08.5","status":"affected"},{"version":"16.03.08.6","status":"affected"},{"version":"16.03.08.7","status":"affected"},{"version":"16.03.08.8","status":"affected"},{"version":"16.03.08.9","status":"affected"},{"version":"16.03.08.10","status":"affected"},{"version":"16.03.08.11","status":"affected"},{"version":"16.03.08.12","status":"affected"}]}],"descriptions":[{"lang":"en","value":"A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this vulnerability is the function strcpy of the file /goform/saveParentControlInfo. The manipulation of the argument Time leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"Dabei geht es um die Funktion strcpy der Datei /goform/saveParentControlInfo. Dank Manipulation des Arguments Time mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":8.8,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2025-08-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-08-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-08-13T14:06:46.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"QMSSDXN (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.319903","name":"VDB-319903 | Tenda AC20 saveParentControlInfo strcpy buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.319903","name":"VDB-319903 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.631836","name":"Submit #631836 | Tenda AC20 ≤ V16.03.08.12 (latest version) Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md","tags":["related"]},{"url":"https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md#poc","tags":["exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}]},"adp":[{"references":[{"url":"https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-15T12:13:16.584763Z","id":"CVE-2025-8940","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":"2025-08-15T12:58:09.232Z"}}]}}