CVE-2021-47802

Name: CVE-2021-47802
Creator: NVD / NIST
Published: 2026-01-21T18:16:09.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2021-47802 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.61%

44.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Tenda	D301 Firmware	All versions
Tenda	D151 Firmware	All versions

References

https://www.exploit-db.com/exploits/49782Exploit
https://www.tendacn.com/us/Product
https://www.vulncheck.com/advisories/tenda-d-d-configuration-downloadBroken Link

Timeline

Published: Jan 21, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-47802?

How severe is CVE-2021-47802?

CVE-2021-47802 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2021-47802?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-47802?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST