CVE-2021-47802Public exploitNetwork attack vector

Unauthenticated credential disclosure via configuration export

Published Jan 21, 2026 · Updated Jan 21, 2026

Missing authentication in Tenda D151 and D301 routers allows remote attackers to retrieve configuration files through a network request. The /goform/getimage endpoint returns router configuration data, including administrative credentials, without verifying an authenticated session. Network reachability to the router interface is sufficient; the documented effect is read-only disclosure, with no reported configuration change or service interruption.

CVSS severity8.7
High
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in Tenda D151 and D301 routers allows remote attackers to retrieve configuration files through a network request. The /goform/getimage endpoint returns router configuration data, including administrative credentials, without verifying an authenticated session. Network reachability to the router interface is sufficient; the documented effect is read-only disclosure, with no reported configuration change or service interruption.

The record

CVE
CVE-2021-47802
Published
Jan 21, 2026
Updated
Jan 21, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-306, T1552.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1552.001Credentials In Files

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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