CVE-2025-63080

Authenticated RCE in KAON PG5298

Published Aug 24, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
Firmware in KAON PG5298A and PG5298B routers allow an authenticated user to send crafted JSON-RPC requests and perform operations not possible via GUI, e.g. system file read or command execution.   
This vulnerability has been fixed in firmware version: 3.0.82 for PG5298A and 4.0.82 for PG5298B.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Firmware in KAON PG5298A and PG5298B routers allow an authenticated user to send crafted JSON-RPC requests and perform operations not possible via GUI, e.g. system file read or command execution.    This vulnerability has been fixed in firmware version: 3.0.82 for PG5298A and 4.0.82 for PG5298B.
Title Authenticated RCE in KAON PG5298
First Time appeared Kaon
Kaon pg5298a
Kaon pg5298b
Weaknesses CWE-863
CPEs cpe:2.3:a:kaon:pg5298a:*:*:*:*:*:*:*:*
cpe:2.3:a:kaon:pg5298b:*:*:*:*:*:*:*:*
Vendors & Products Kaon
Kaon pg5298a
Kaon pg5298b
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
Aug 24, 2026, 5:31 PM
Reserved
Oct 24, 2025, 3:51 PM
Status
Deferred
Published
Aug 24, 2026, 12:16 PM
Modified
Oct 7, 2026, 9:10 AM