Tenda F3/N300 Web-based Administrative Interface cleartext transmission

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Tenda F3 and N300. Impacted is an unknown function of the component Web-based Administrative Interface. Such manipulation leads to cleartext transmission. This vulnerability is listed as CVE-2026-22080. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Tenda F3 and N300 (unknown version) and classified as problematic. Affected by this issue is an unknown code block of the component Web-based Administrative Interface. The manipulation with an unknown input leads to a cleartext transmission vulnerability. Using CWE to declare the problem leads to CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Impacted is confidentiality. CVE summarizes:

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.

The weakness was presented by Deven Lunkad, Swaroop Dora, Naziya Aslam and And S. Venkatesan as CIVN-2026-0004. The advisory is shared for download at cert-in.org.in. This vulnerability is handled as CVE-2026-22080 since 01/06/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1040.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext transmission
CWE: CWE-319 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/06/2026 CVE reserved
01/09/2026 +3 days Advisory disclosed
01/09/2026 +0 days VulDB entry created
01/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: CIVN-2026-0004
Researcher: Deven Lunkad, Swaroop Dora, Naziya Aslam, And S. Venkatesan
Status: Not defined

CVE: CVE-2026-22080 (🔒)
GCVE (CVE): GCVE-0-2026-22080
GCVE (VulDB): GCVE-100-340268

Entryinfo

Created: 01/09/2026 12:31
Changes: 01/09/2026 12:31 (67)
Complete: 🔍
Cache ID: 216::103

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