{ "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.

Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unauthorized access to the targeted device.
" } ], "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:
https://www.tendacn.com/in/material/show/724624313163845

" } ], "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" } } ] } }