CVE-2025-63080CWE-863broken-access-control

CVE-2025-63080

published August 24, 2026

CVSS
8.5
EPSS
0%
Percentile
26.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
8.5 · NONE
CVSS v4.0
8.5 · 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
EPSS
0.00340 · 26.3th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-24T16:16Z
References (1)
https://cert.pl/en/posts/2026/08/CVE-2025-63080/ · [email protected]
EPSS history
Timeline
  • 26 AUG 07:15Z
    EPSS moved — → 0%
    epss
  • 24 AUG 11:11Z
    Authenticated RCE in KAON PG5298
    cvelistv5