{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7546","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-04-30T18:56:41.852Z","datePublished":"2026-05-01T02:15:12.350Z","dateUpdated":"2026-05-01T02:15:12.350Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-05-01T02:15:12.350Z"},"title":"Totolink NR1800X lighttpd find_host_ip 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 security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. The impacted element is the function find_host_ip of the component lighttpd. Such manipulation of the argument Host leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used."}],"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:W/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:W/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:W/RC:UR"}}],"timeline":[{"time":"2026-04-30T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-04-30T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-04-30T21:01:47.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"NEWYM (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/360357","name":"VDB-360357 | Totolink NR1800X lighttpd find_host_ip stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/360357/cti","name":"VDB-360357 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/804404","name":"Submit #804404 | Totolink C834FR-1C NR1800X 内存损坏","tags":["third-party-advisory"]},{"url":"https://github.com/newym/cve/blob/main/totolinknr1800x.md","tags":["exploit"]},{"url":"https://www.totolink.net/","tags":["product"]}]}}}