Description
ASUS RT-AX86U router firmware below version under 9.0.0.4_386 has a buffer overflow in the blocking_request.cgi function of the httpd module that can cause code execution when an attacker constructs malicious data.
Affected Software
Related
{"id": "CVE-2020-36109", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2020-36109", "description": "ASUS RT-AX86U router firmware below version under 9.0.0.4_386 has a buffer overflow in the blocking_request.cgi function of the httpd module that can cause code execution when an attacker constructs malicious data.", "published": "2021-02-01T14:15:00", "modified": "2021-02-05T21:29:00", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 7.5}, "severity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "exploitabilityScore": 3.9, "impactScore": 5.9}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-36109", "reporter": "cve@mitre.org", "references": ["https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/"], "cvelist": ["CVE-2020-36109"], "immutableFields": [], "lastseen": "2022-03-23T18:00:23", "viewCount": 15, "enchantments": {"dependencies": {"references": [{"type": "checkpoint_advisories", "idList": ["CPAI-2020-3272"]}, {"type": "githubexploit", "idList": ["829B0EC3-66BD-557E-BABD-7F7FEA607CE3"]}], "rev": 4}, "score": {"value": 5.6, "vector": "NONE"}, "twitter": {"counter": 3, "modified": "2021-02-03T00:31:12", "tweets": [{"link": "https://twitter.com/WolfgangSesin/status/1357839187425300483", "text": "New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2020-36109 (rt-ax86u_firmware)) has been published on https://t.co/HrdEEp6djf?amp=1"}, {"link": "https://twitter.com/WolfgangSesin/status/1357431370176491522", "text": "New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2020-36109) has been published on https://t.co/ofeKfFn9bA?amp=1"}, {"link": "https://twitter.com/WolfgangSesin/status/1357431370176491522", "text": "New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2020-36109) has been published on https://t.co/ofeKfFn9bA?amp=1"}]}, "backreferences": {"references": [{"type": "checkpoint_advisories", "idList": ["CPAI-2020-3272"]}, {"type": "githubexploit", "idList": ["829B0EC3-66BD-557E-BABD-7F7FEA607CE3"]}]}, "exploitation": null, "vulnersScore": 5.6}, "_state": {"dependencies": 0}, "_internal": {}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": [], "cpe23": [], "cwe": ["CWE-120"], "affectedSoftware": [{"cpeName": "asus:rt-ax86u_firmware", "version": "9.0.0.4_386", "operator": "lt", "name": "asus rt-ax86u firmware"}], "affectedConfiguration": [{"name": "asus rt-ax86u", "cpeName": "asus:rt-ax86u", "version": "-", "operator": "eq"}], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "AND", "children": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:o:asus:rt-ax86u_firmware:9.0.0.4_386:*:*:*:*:*:*:*", "versionEndExcluding": "9.0.0.4_386", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": false, "cpe23Uri": "cpe:2.3:h:asus:rt-ax86u:-:*:*:*:*:*:*:*", "cpe_name": []}]}], "cpe_match": []}]}, "extraReferences": [{"url": "https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/", "name": "https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/", "refsource": "MISC", "tags": ["Vendor Advisory"]}]}
{"checkpoint_advisories": [{"lastseen": "2022-02-16T19:34:00", "description": "A buffer overflow vulnerability exists in Fortinet ASUS RT-AX86U. Successful exploitation of this vulnerability could result in a denial of service or execution of arbitrary code into the affected system.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-02-23T00:00:00", "type": "checkpoint_advisories", "title": "ASUS RT-AX86U Buffer Overflow (CVE-2020-36109)", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36109"], "modified": "2021-02-23T00:00:00", "id": "CPAI-2020-3272", "href": "", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "githubexploit": [{"lastseen": "2022-04-23T11:27:07", "description": "# CVE-2020-36109-POC\n> Feb 13 2021, Altin Thartori, github.com/t...", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-02-13T16:03:36", "type": "githubexploit", "title": "Exploit for Classic Buffer Overflow in Asus Rt-Ax86U Firmware", "bulletinFamily": "exploit", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36109"], "modified": "2022-04-23T09:43:20", "id": "829B0EC3-66BD-557E-BABD-7F7FEA607CE3", "href": "", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "privateArea": 1}]}