CVE-2021-25326Public exploit

Credential disclosure via unauthenticated diagnostic endpoint

Published Apr 9, 2021 · Updated Aug 3, 2024

Incorrect access control in Skyworth Digital Technology RN510 firmware 3.1.0.4 allows remote attackers to read Wi-Fi and web UI passwords. The /cgi-bin/test_version.asp handler returns wireless SSIDs, their passwords, and web UI credentials without authenticating the request. The requester must be able to reach the device over its Wi-Fi network; disclosure grants credentials for the wireless network and management interface.

CVSS severity5.4
Medium
EPSS probability1.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect access control in Skyworth Digital Technology RN510 firmware 3.1.0.4 allows remote attackers to read Wi-Fi and web UI passwords. The /cgi-bin/test_version.asp handler returns wireless SSIDs, their passwords, and web UI credentials without authenticating the request. The requester must be able to reach the device over its Wi-Fi network; disclosure grants credentials for the wireless network and management interface.

The record

CVE
CVE-2021-25326
Published
Apr 9, 2021
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-352, T1190
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 9, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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 vectoradjacent
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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.

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No observations available

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

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1190Exploit Public-Facing Application

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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