{"id":"CVE-2026-7857","state":"PUBLISHED","title":"D-Link DI-8100 CGI user_group.asp sprintf buffer overflow","description":"A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.","publishedAt":"2026-05-05T19:15:13.939Z","updatedAt":"2026-05-05T19:39:19.507Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["D-Link DI-8100"],"affected":[{"vendor":"D-Link","product":"DI-8100","versions":[{"version":"16.07.26A1","status":"affected"}],"modules":["CGI Handler"]}],"references":["https://vuldb.com/vuln/361134","https://vuldb.com/vuln/361134/cti","https://vuldb.com/submit/807853","https://github.com/draw-ctf/report/blob/main/DI-8100/user_group_asp_overflow.md","https://www.dlink.com/"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/7xxx/CVE-2026-7857.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7857","state":"PUBLISHED","datePublished":"2026-05-05T19:15:13.939Z","dateUpdated":"2026-05-05T19:39:19.507Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-05-05T11:41:30.982Z"},"containers":{"cna":{"title":"D-Link DI-8100 CGI user_group.asp sprintf buffer overflow","descriptions":[{"lang":"en","value":"A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used."}],"affected":[{"vendor":"D-Link","product":"DI-8100","versions":[{"version":"16.07.26A1","status":"affected"}],"modules":["CGI Handler"]}],"references":[{"url":"https://vuldb.com/vuln/361134","name":"VDB-361134 | D-Link DI-8100 CGI user_group.asp sprintf buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/361134/cti","name":"VDB-361134 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/807853","name":"Submit #807853 | D-Link DI-8100 16.07.26A1 Denial of Service","tags":["third-party-advisory"]},{"url":"https://github.com/draw-ctf/report/blob/main/DI-8100/user_group_asp_overflow.md","tags":["exploit"]},{"url":"https://www.dlink.com/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.6,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":7.2,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.2,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":8.3,"vectorString":"AV:N/AC:L/Au:M/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":"2026-05-05T19:15:13.939Z"},"timeline":[{"time":"2026-05-05T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-05T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-05T13:46:40.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"draw (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-05T19:39:11.855946Z","id":"CVE-2026-7857","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":"2026-05-05T19:39:19.507Z"}}]}}}