{"id":"CVE-2025-7912","state":"PUBLISHED","title":"TOTOLINK T6 MQTT Service recvSlaveUpgstatus buffer overflow","description":"A vulnerability, which was classified as critical, has been found in TOTOLINK T6 4.1.5cu.748_B20211015. This issue affects the function recvSlaveUpgstatus of the component MQTT Service. The manipulation of the argument s leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.","publishedAt":"2025-07-20T23:02:08.791Z","updatedAt":"2025-07-21T18:13:05.998Z","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":["TOTOLINK T6"],"affected":[{"vendor":"TOTOLINK","product":"T6","versions":[{"version":"4.1.5cu.748_B20211015","status":"affected"}],"modules":["MQTT Service"]}],"references":["https://vuldb.com/?id.317027","https://vuldb.com/?ctiid.317027","https://vuldb.com/?submit.618655","https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.md","https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.md#poc","https://www.totolink.net/"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/7xxx/CVE-2025-7912.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-7912","state":"PUBLISHED","datePublished":"2025-07-20T23:02:08.791Z","dateUpdated":"2025-07-21T18:13:05.998Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-07-19T19:15:29.657Z"},"containers":{"cna":{"title":"TOTOLINK T6 MQTT Service recvSlaveUpgstatus buffer overflow","descriptions":[{"lang":"en","value":"A vulnerability, which was classified as critical, has been found in TOTOLINK T6 4.1.5cu.748_B20211015. This issue affects the function recvSlaveUpgstatus of the component MQTT Service. The manipulation of the argument s leads to 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 TOTOLINK T6 4.1.5cu.748_B20211015 entdeckt. Sie wurde als kritisch eingestuft. Dies betrifft die Funktion recvSlaveUpgstatus der Komponente MQTT Service. Durch das Manipulieren des Arguments s mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"TOTOLINK","product":"T6","versions":[{"version":"4.1.5cu.748_B20211015","status":"affected"}],"modules":["MQTT Service"]}],"references":[{"url":"https://vuldb.com/?id.317027","name":"VDB-317027 | TOTOLINK T6 MQTT Service recvSlaveUpgstatus buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.317027","name":"VDB-317027 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.618655","name":"Submit #618655 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.md","tags":["related"]},{"url":"https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.md#poc","tags":["exploit"]},{"url":"https://www.totolink.net/","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-120","type":"CWE","lang":"en","description":"Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-07-20T23:02:08.791Z"},"timeline":[{"time":"2025-07-19T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-07-19T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-07-19T21:20:39.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"reisen_1943 (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-21T18:12:27.914715Z","id":"CVE-2025-7912","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":"2025-07-21T18:13:05.998Z"}}]}}}