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{"id": "CVE-2021-45992", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-45992", "description": "Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetQvlanList. This vulnerability allows attackers to cause a Denial of Service (DoS) via the qvlanName parameter.", "published": "2022-02-04T02:15:00", "modified": "2022-02-08T16:24:00", "epss": [{"cve": "CVE-2021-45992", "epss": 0.00078, "percentile": 0.3198, "modified": "2023-05-23"}], "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8}, "severity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.9, "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:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-45992", "reporter": "cve@mitre.org", "references": ["https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_7/7.md", "https://www.tenable.com/cve/CVE-2021-45992"], "cvelist": ["CVE-2021-45992"], "immutableFields": [], "lastseen": "2023-05-23T15:52:09", "viewCount": 25, "enchantments": {"dependencies": {"references": [{"type": "cnvd", "idList": ["CNVD-2022-16171"]}]}, "score": {"value": 5.4, "vector": "NONE"}, "backreferences": {}, "exploitation": null, "epss": [{"cve": "CVE-2021-45992", "epss": 0.00078, "percentile": 0.31881, "modified": "2023-05-03"}], "vulnersScore": 5.4}, "_state": {"dependencies": 1685073320, "score": 1684857204, "affected_software_major_version": 0, "epss": 0}, "_internal": {"score_hash": "504087e312c22b377091326c80b522d6"}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": ["cpe:/o:tendacn:g3_firmware:15.11.0.17\\(9502\\)_cn", "cpe:/o:tendacn:g1_firmware:15.11.0.17\\(9502\\)_cn"], "cpe23": ["cpe:2.3:o:tendacn:g1_firmware:15.11.0.17\\(9502\\)_cn:*:*:*:*:*:*:*", "cpe:2.3:o:tendacn:g3_firmware:15.11.0.17\\(9502\\)_cn:*:*:*:*:*:*:*"], "cwe": ["CWE-787"], "affectedSoftware": [{"cpeName": "tendacn:g1_firmware", "version": "15.11.0.17\\(9502\\)_cn", "operator": "eq", "name": "tendacn g1 firmware"}, {"cpeName": "tendacn:g3_firmware", "version": "15.11.0.17\\(9502\\)_cn", "operator": "eq", "name": "tendacn g3 firmware"}], "affectedConfiguration": [{"name": "tendacn g1", "cpeName": "tendacn:g1", "version": "-", "operator": "eq"}, {"name": "tendacn g3", "cpeName": "tendacn:g3", "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:tendacn:g1_firmware:15.11.0.17\\(9502\\)_cn:*:*:*:*:*:*:*", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": false, "cpe23Uri": "cpe:2.3:h:tendacn:g1:-:*:*:*:*:*:*:*", "cpe_name": []}]}], "cpe_match": []}, {"operator": "AND", "children": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:o:tendacn:g3_firmware:15.11.0.17\\(9502\\)_cn:*:*:*:*:*:*:*", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": false, "cpe23Uri": "cpe:2.3:h:tendacn:g3:-:*:*:*:*:*:*:*", "cpe_name": []}]}], "cpe_match": []}]}, "extraReferences": [{"url": "https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_7/7.md", "name": "https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_7/7.md", "refsource": "MISC", "tags": ["Broken Link"]}, {"url": "https://www.tenable.com/cve/CVE-2021-45992", "name": "https://www.tenable.com/cve/CVE-2021-45992", "refsource": "MISC", "tags": ["Third Party Advisory"]}], "product_info": [{"vendor": "Tendacn", "product": "G1_firmware"}, {"vendor": "Tendacn", "product": "G3_firmware"}], "solutions": [], "workarounds": [], "impacts": [], "exploits": [], "problemTypes": []}

{"cnvd": [{"lastseen": "2022-10-08T06:39:12", "description": "Tenda G1 and G3 is a router from Tenda (China). Tenda G1 and G3 is vulnerable to a buffer overflow vulnerability, which can be exploited by attackers to cause a denial of service via the qvlanName parameter.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-02-21T00:00:00", "type": "cnvd", "title": "Tenda G1 and G3 Buffer Overflow Vulnerability (CNVD-2022-16171)", "bulletinFamily": "cnvd", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-45992"], "modified": "2022-03-03T00:00:00", "id": "CNVD-2022-16171", "href": "https://www.cnvd.org.cn/flaw/show/CNVD-2022-16171", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}]}