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Vulnerability record · CVE-2026-6017 · published 24 August 2026

CVE-2026-6017: Missing authentication for critical function vulnerability

Firmware in KAON PG5298A and PG5298B routers allow an unauthenticated user to query a specific endpoint and acquire sensitive information such as a password to the administrative portal.   This vulnerability has been fixed in firmware version: 3.0.82 for PG5298A and 4.0.82 for PG5298B.

7.1 CVSS 4.0 High EPSS 0.24% · top 86.9% CWE-306 · Missing authentication for critical function Deferred
7.1CVSS 4.0 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
28 Aug 2026Last modified by NVD

Description

Firmware in KAON PG5298A and PG5298B routers allow an unauthenticated user to query a specific endpoint and acquire sensitive information such as a password to the administrative portal.   This vulnerability has been fixed in firmware version: 3.0.82 for PG5298A and 4.0.82 for PG5298B.

CVSS:4.0/AV:A/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://cert.pl/en/posts/2026/08/CVE-2025-63080/

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Source: NIST National Vulnerability Database (record CVE-2026-6017), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.