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Vulnerability record · CVE-2019-25227 · published 26 November 2025

CVE-2019-25227: Missing authentication for critical function vulnerability

Tellion HN-2204AP routers contain an unauthenticated configuration disclosure vulnerability in the /cgi-bin/system_config_file management endpoint. The endpoint allows remote retrieval of a compressed configuration archive without requiring authentication or authorization. The exposed configuration may include administrative credentials, wireless keys, and other sensitive settings, enabling an unauthenticated attacker to obtain information that can facilitate further compromise of the device or network.

8.7 CVSS 4.0 High EPSS 0.54% · top 56.7% CWE-306 · Missing authentication for critical function Deferred
8.7CVSS 4.0 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Tellion HN-2204AP routers contain an unauthenticated configuration disclosure vulnerability in the /cgi-bin/system_config_file management endpoint. The endpoint allows remote retrieval of a compressed configuration archive without requiring authentication or authorization. The exposed configuration may include administrative credentials, wireless keys, and other sensitive settings, enabling an unauthenticated attacker to obtain information that can facilitate further compromise of the device or network.

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:

References

LinkTags
https://packetstorm.news/files/id/154752/
https://web.archive.org/web/20190525010559/https://www.tellion.com/
https://www.vulncheck.com/advisories/tellion-hn2204ap-unauthenticated-config-disclosure

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Source: NIST National Vulnerability Database (record CVE-2019-25227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.