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

High 7.1 Published Updated

Unauthenticated attackers can query a specific endpoint on KAON routers to retrieve administrative passwords, leading to potential account takeover.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-6017?

CVE-2026-6017 is a high-severity missing authorization vulnerability in KAON PG5298A, published on 24 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2026-6017?

How do I fix CVE-2026-6017?

No fix has been published for CVE-2026-6017 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-6017 being exploited?

There is no known exploitation of CVE-2026-6017 in the wild and no public exploit code.

Sources

Also known as GHSA-4v96-chmw-8jc6.

Is CVE-2026-6017 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free