{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77988", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-21T18:54:59.116Z", "datePublished": "2026-08-22T11:45:09.743Z", "dateUpdated": "2026-08-22T11:45:09.743Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-22T11:45:09.743Z"}, "title": "TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-77", "lang": "en", "description": "Command Injection"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-74", "lang": "en", "description": "Injection"}]}], "affected": [{"vendor": "TRENDnet", "product": "TEW-823DRU", "versions": [{"version": "1.1.02b01", "status": "affected"}], "cpes": ["cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*"], "modules": ["CLI Configuration Tool"]}], "descriptions": [{"lang": "en", "value": "A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. This vulnerability affects the function nvram_get of the component CLI Configuration Tool. This manipulation causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.6, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.8, "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-08-21T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-21T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-21T21:00:04.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "ST4R0002 (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/394178", "name": "VDB-394178 | TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/394178/cti", "name": "VDB-394178 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-77988", "name": "CVE-2026-77988 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/881256", "name": "Submit #881256 | TRENDnet TEW-823DRU Wireless AC2100 Dual Band Gigabit Router v1.1.02b01 Command Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md", "tags": ["exploit"]}], "x_generator": ["VulDB PVTS v202608"]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*"], "modules": ["CLI Configuration Tool"], "product": "TEW-823DRU", "vendor": "TRENDnet", "versions": [{"status": "affected", "version": "1.1.02b01"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. This vulnerability affects the function nvram_get of the component CLI Configuration Tool. This manipulation causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks."}], "id": "CVE-2026-77988", "lastModified": "2026-08-22T12:16:25.817", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "MULTIPLE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 3.7, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-08-22T12:16:25.817", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-77988"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/881256"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/394178"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/394178/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-77"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.1.02b01"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "TEW-823DRU", "source": "cna", "vendor": "TRENDnet"}, "product": "tew-823dru", "vendor": "trendnet"}], "created": "2026-08-22T13:30:17.321851+00:00", "updated": "2026-08-22T13:45:03.168281+00:00", "vendors": ["trendnet", "trendnet$PRODUCT$tew-823dru"]}