{"schemaVersion":3,"id":"CVE-2022-41527","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the pppoeUser parameter in the setOpModeCfg function.","dates":{"published":"2022-10-06T00:00:00.000Z","modified":"2024-08-03T12:42:46.245Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01036,"percentile":0.63541,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.11099999999999999,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00925},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00933,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00933,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00933,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01036,"percentile":0.63541}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00925,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00933,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00933,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00933,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01036,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01036,"percentile":0.63541}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_78A7749C6933BA4C","name":"Exploit Reference (brief-nymphea-813.notion.site)","source":"reference","url":"https://brief-nymphea-813.notion.site/NR1800X-bof-setOpModeCfg-2e286823203c405bbdec4305b0924a02","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"totolink","product":"nr1800x_firmware","name":"nr1800x firmware","label":"nr1800x_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"9.1.0u.6279_b20210910","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.1.0u.6279_b20210910","eol":null,"hubHref":"/vendor/totolink/nr1800x"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://brief-nymphea-813.notion.site/NR1800X-bof-setOpModeCfg-2e286823203c405bbdec4305b0924a02","label":"brief-nymphea-813.notion.site/NR1800X-bof-setOpModeCfg-2e286823203c405bbdec4305b0924a02","hostname":"brief-nymphea-813.notion.site","tags":["Exploit","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-10-06T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T12:42:46.245Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":45,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T18:30:02.948Z","stale":false,"partial":false}}