CVE-2021-47802

HIGH
2026-01-21 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 02, 2026 - 17:44 vuln.today
Public exploit code
CVE Published
Jan 21, 2026 - 18:16 nvd
HIGH 7.5

Tags

Authentication Bypass D151 Firmware D301 Firmware

Description

Tenda D151 and D301 routers contain an unauthenticated configuration download vulnerability that allows remote attackers to retrieve router configuration files. Attackers can send a request to /goform/getimage endpoint to download configuration data including admin credentials without authentication.

Analysis

D151 Firmware versions up to - is affected by missing authentication for critical function (CVSS 7.5).

Technical Context

This vulnerability (CWE-306: Missing Authentication for Critical Function) affects D151 Firmware. Tenda D151 and D301 routers contain an unauthenticated configuration download vulnerability that allows remote attackers to retrieve router configuration files. Attackers can send a request to /goform/getimage endpoint to download configuration data including admin credentials without authentication.

Affected Products

Vendor: Tenda. Product: D151 Firmware. Versions: up to -.

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.5
CVSS: +38
POC: +20

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CVE-2021-47802 vulnerability details – vuln.today
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