{"id":"CVE-2023-30800","state":"PUBLISHED","title":"MikroTik RouterOS Web Interface Heap Corruption","description":"The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. As a result, the web interface crashes and is immediately restarted. The issue was fixed in RouterOS 6.49.10 stable. RouterOS version 7 is not affected.","publishedAt":"2023-09-07T15:43:54.429Z","updatedAt":"2025-11-21T16:14:51.409Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"VulnCheck"},"assigner":"VulnCheck","products":["MikroTik RouterOS"],"affected":[{"vendor":"MikroTik","product":"RouterOS","defaultStatus":"affected","versions":[{"version":"6.49.10","status":"unaffected"},{"version":"6.49.9","status":"affected"},{"version":"6.48.8","status":"affected"}],"platforms":["x86","ARM","PPC","MIPSBE"]}],"references":["https://vulncheck.com/advisories/mikrotik-jsproxy-dos"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/30xxx/CVE-2023-30800.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-30800","state":"PUBLISHED","datePublished":"2023-09-07T15:43:54.429Z","dateUpdated":"2025-11-21T16:14:51.409Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2023-04-18T10:31:45.962Z"},"containers":{"cna":{"title":"MikroTik RouterOS Web Interface Heap Corruption","descriptions":[{"lang":"en","value":"The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. As a result, the web interface crashes and is immediately restarted. The issue was fixed in RouterOS 6.49.10 stable. RouterOS version 7 is not affected."}],"affected":[{"vendor":"MikroTik","product":"RouterOS","defaultStatus":"affected","versions":[{"version":"6.49.10","status":"unaffected"},{"version":"6.49.9","status":"affected"},{"version":"6.48.8","status":"affected"}],"platforms":["x86","ARM","PPC","MIPSBE"]}],"references":[{"url":"https://vulncheck.com/advisories/mikrotik-jsproxy-dos"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2025-11-21T16:14:51.409Z"},"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:mikrotik:routeros:6.49.9:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:mikrotik:routeros:6.48.8:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Jacob Baines"}],"impacts":[{"capecId":"CAPEC-123","descriptions":[{"lang":"en","value":"CAPEC-123 Buffer Manipulation"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://vulncheck.com/advisories/mikrotik-jsproxy-dos","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T14:37:15.351Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-26T19:04:33.430241Z","id":"CVE-2023-30800","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-26T19:04:47.706Z"}}]}}}