{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
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"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"
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{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.42"
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{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.48"
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{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.52"
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{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.55"
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{
"status": "affected",
"version": "F3 v4.0 Firmware V03.03.01.40"
}
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}
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"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."
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"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"
}
]
}
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"metrics": [
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"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"
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}
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"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": {
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"adp": [
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"metrics": [
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"other": {
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"content": {
"timestamp": "2026-01-09T15:12:38.102200Z",
"id": "CVE-2026-22080",
"options": [
{
"Exploitation": "none"
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{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
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"role": "CISA Coordinator",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment",
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