CVE-2019-25227Public exploitNetwork attack vector

Unauthenticated configuration disclosure via archive endpoint

Published Nov 26, 2025 · Updated Nov 28, 2025

Information disclosure in Tellion HN-2204AP version 0 allows remote attackers to retrieve configuration data without authentication. The /cgi-bin/system_config_file management endpoint returns a compressed configuration archive without performing an authentication or authorization check. Network access to the management interface is sufficient, and the archive can expose administrative credentials, wireless keys, and other device settings.

CVSS severity8.7
High
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Tellion HN-2204AP version 0 allows remote attackers to retrieve configuration data without authentication. The /cgi-bin/system_config_file management endpoint returns a compressed configuration archive without performing an authentication or authorization check. Network access to the management interface is sufficient, and the archive can expose administrative credentials, wireless keys, and other device settings.

The record

CVE
CVE-2019-25227
Published
Nov 26, 2025
Updated
Nov 28, 2025
Vendor
Tellion, Inc.
Product
HN-2204AP Router
Classifications
CWE-306, T1552.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 28, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Tellion, Inc. · HN-2204AP Routerversion=0

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

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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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