{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15701","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-07-14T05:27:02.636Z","datePublished":"2026-07-14T16:30:10.560Z","dateUpdated":"2026-07-15T14:50:35.949Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-07-14T16:30:10.560Z"},"title":"Totolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-121","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"Totolink","product":"NR1800X","versions":[{"version":"9.1.0u.6279_B20210910","status":"affected"}],"cpes":["cpe:2.3:o:totolink:nr1800x_firmware:*:*:*:*:*:*:*:*"],"modules":["lighttpd"]}],"descriptions":[{"lang":"en","value":"A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the function Form_Logout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":9.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":9.8,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV2_0":{"version":"2.0","baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-07-14T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-07-14T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-07-14T07:32:06.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"fuguang (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/378248","name":"VDB-378248 | Totolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/378248/cti","name":"VDB-378248 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-15701","name":"CVE-2026-15701 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/856136","name":"Submit #856136 | TOTOLINK TOTOLINK NR1800X V9.1.0u.6279_B20210910 V9.1.0u.6279_B20210910 Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/fu9-dotom/cve/issues/1","tags":["exploit","issue-tracking"]},{"url":"https://www.totolink.net/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-15T14:50:26.008836Z","id":"CVE-2026-15701","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"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":"2026-07-15T14:50:35.949Z"}}]}}