{"id":"CVE-2025-7421","state":"PUBLISHED","title":"Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack-based overflow","description":"A vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been rated as critical. This issue affects the function fromMacFilterModify of the file /goform/operateMacFilter of the component httpd. The manipulation of the argument mac leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.","publishedAt":"2025-07-11T00:02:06.586Z","updatedAt":"2025-07-11T13:35:03.633Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["Tenda O3V2"],"affected":[{"vendor":"Tenda","product":"O3V2","versions":[{"version":"1.0.0.12(3880)","status":"affected"}],"modules":["httpd"]}],"references":["https://vuldb.com/?id.315881","https://vuldb.com/?ctiid.315881","https://vuldb.com/?submit.608867","https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md","https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md#poc","https://www.tenda.com.cn/"],"weaknesses":["CWE-121","CWE-119"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/7xxx/CVE-2025-7421.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-7421","state":"PUBLISHED","datePublished":"2025-07-11T00:02:06.586Z","dateUpdated":"2025-07-11T13:35:03.633Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-07-10T07:48:45.333Z"},"containers":{"cna":{"title":"Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack-based overflow","descriptions":[{"lang":"en","value":"A vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been rated as critical. This issue affects the function fromMacFilterModify of the file /goform/operateMacFilter of the component httpd. The manipulation of the argument mac leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"Eine Schwachstelle wurde in Tenda O3V2 1.0.0.12(3880) ausgemacht. Sie wurde als kritisch eingestuft. Es geht hierbei um die Funktion fromMacFilterModify der Datei /goform/operateMacFilter der Komponente httpd. Mittels dem Manipulieren des Arguments mac mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"Tenda","product":"O3V2","versions":[{"version":"1.0.0.12(3880)","status":"affected"}],"modules":["httpd"]}],"references":[{"url":"https://vuldb.com/?id.315881","name":"VDB-315881 | Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.315881","name":"VDB-315881 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.608867","name":"Submit #608867 | Tenda O3V2 1.0.0.12(3880) Stack-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md","tags":["related"]},{"url":"https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md#poc","tags":["exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","type":"CWE","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-07-11T00:02:06.586Z"},"timeline":[{"time":"2025-07-10T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-07-10T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-07-10T09:54:15.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"pjq123 (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-11T13:34:42.481492Z","id":"CVE-2025-7421","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-07-11T13:35:03.633Z"}}]}}}