CVE-2026-6017: CWE-306 Missing Authentication for Critical Function in KAON PG5298A
Description
Firmware in KAON PG5298A and PG5298B routers contains a vulnerability that allows unauthenticated users to access a specific endpoint and retrieve sensitive information, including the administrative portal password. This security flaw is identified as CWE-306, indicating missing authentication for a critical function. The issue has been addressed in firmware versions 3.0.82 for PG5298A and 4.0.82 for PG5298B.
CVSS v4.0
Score 7.1high
Affected software
KAON
PG5298A
KAON
PG5298B
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The KAON PG5298A and PG5298B routers have a vulnerability (CVE-2026-6017) where an unauthenticated attacker can query a particular endpoint to obtain sensitive data such as the administrative portal password. This is due to missing authentication controls on a critical function (CWE-306). The vulnerability is fixed in firmware versions 3.0.82 for PG5298A and 4.0.82 for PG5298B.
Potential Impact
An unauthenticated attacker can retrieve sensitive information including the administrative portal password, potentially allowing unauthorized access to router management functions. This compromises device security and could lead to further network compromise.
Mitigation Recommendations
Upgrade affected KAON PG5298A routers to firmware version 3.0.82 or later, and PG5298B routers to firmware version 4.0.82 or later to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERT-PL
- Date Reserved
- 2026-04-09T14:47:58.734Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a8c2986acd9273b4970905f
Added to database: 08/24/2026, 11:22:46 UTC
Last enriched: 09/10/2026, 12:07:35 UTC
Last updated: 10/08/2026, 06:48:19 UTC
Views: 66
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