{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-22080", "assignerOrgId": "66834db9-ab24-42b4-be80-296b2e40335c", "state": "PUBLISHED", "assignerShortName": "CERT-In", "dateReserved": "2026-01-06T07:52:50.901Z", "datePublished": "2026-01-09T11:05:07.368Z", "dateUpdated": "2026-01-09T15:12:48.077Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "300Mbps Wireless Router F3 and N300 Easy Setup Router", "vendor": "Tenda", "versions": [{"status": "affected", "version": "F3 v3.0 Firmware V12.01.01.41"}, {"status": "affected", "version": "F3 v3.0 Firmware V12.01.01.42"}, {"status": "affected", "version": "F3 v3.0 Firmware V12.01.01.48"}, {"status": "affected", "version": "F3 v3.0 Firmware V12.01.01.52"}, {"status": "affected", "version": "F3 v3.0 Firmware V12.01.01.55"}, {"status": "affected", "version": "F3 v4.0 Firmware V03.03.01.40"}]}], "credits": [{"lang": "en", "type": "finder", "value": "This vulnerability is reported by Deven Lunkad, Swaroop Dora, Naziya Aslam, and S. Venkatesan from IoT Security Research Lab, Indian Institute of Information Technology, Allahabad, India."}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the transmission of credentials encoded using reversible Base64 encoding through the web-based administrative interface. An attacker on the same network could exploit this vulnerability by intercepting network traffic and capturing the Base64-encoded credentials.<br><br>Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unauthorized access to the targeted device.<br>"}], "value": "This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the transmission of credentials encoded using reversible Base64 encoding through the web-based administrative interface. An attacker on the same network could exploit this vulnerability by intercepting network traffic and capturing the Base64-encoded credentials.\n\nSuccessful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unauthorized access to the targeted device."}], "impacts": [{"capecId": "CAPEC-117", "descriptions": [{"lang": "en", "value": "CAPEC-117 Interception"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 8.7, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-319", "description": "CWE-319 Cleartext Transmission of Sensitive Information", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "66834db9-ab24-42b4-be80-296b2e40335c", "shortName": "CERT-In", "dateUpdated": "2026-01-09T11:26:07.261Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0004"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Apply appropriate updates as mentioned by the vendor:<br><a target=\"_blank\" rel=\"nofollow\" href=\"https://www.tendacn.com/in/material/show/724624313163845\">https://www.tendacn.com/in/material/show/724624313163845</a><br><br>"}], "value": "Apply appropriate updates as mentioned by the vendor:\n https://www.tendacn.com/in/material/show/724624313163845"}], "source": {"discovery": "UNKNOWN"}, "title": "Insecure Transmission Vulnerability in Tenda Wireless Routers", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-09T15:12:38.102200Z", "id": "CVE-2026-22080", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-09T15:12:48.077Z"}}]}}

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