Vulnerability · CVE-2021-47802
Tenda D151 and D301 routers contain an unauthenticated configuration download vulnerability that allows remote attackers to retrieve router configuration files.
Published Jan 21, 2026 · catalog updated Oct 27, 2026 · Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301
Last checked Nov 5, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2021-47802. EPSS is 0.70%. Act only if a listed version of Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301 is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.70%
- Remediation
- Vendor / distro source
- Affected products
- vendor Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301 -
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301 --
How to fix CVE-2021-47802
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2021-47802. EPSS is 0.70%. Act only if a listed version of Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301 is installed.
Which versions are affected?
Compare what you have installed with Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301 - -. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.70%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 21, 2026 · EUVD
Detected
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.
Oct 27, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2021-47802
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2021-47802
30-day exploitation probability 0.70%
first.org - EUVDVulnerability recordEUVD-2026-3650
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 wi
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 5, 2026
- CVE.orgNov 4, 2026
- EUVDNov 2, 2026