What’s Vulnerable › Vulnerabilities

CVE-2026-6017: Missing Authentication for Critical Function in KAON PG5298

• Severity: high (CVSS 7.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-24 · updated 2026-10-14
• Weakness: CWE-306

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.

Affected products

• KAON PG5298A: before 3.0.82 — fixed in 3.0.82
• KAON PG5298B: before 4.0.82 — fixed in 4.0.82

How to fix

Upgrade to a fixed version: KAON PG5298A 3.0.82; KAON PG5298B 4.0.82. Check the vendor advisory for mitigations.

References

• https://cert.pl/en/posts/2026/08/CVE-2025-63080/

Get alerted when CVE-2026-6017 or the next vulnerability affects your stack