CVE-2026-52748
The Kaon AR2140X router contains a vulnerability where the backup functionality is accessible…
- Risk score
- 46/100
- CVSS
- 7.1 v4.0
- Exploit chance (30 days)
- 0.3%
- Published
- 28 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- The Kaon AR2140X router contains a vulnerability where the backup functionality is accessible without authentication. This allows an unauthenticated remote attacker to trigger a configuration backup and retrieve it in a form encrypted by a device-specific key. Triggering this function renders the router inoperable for…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.1 high
References
Original description
The Kaon AR2140X router contains a vulnerability where the backup functionality is accessible without authentication. This allows an unauthenticated remote attacker to trigger a configuration backup and retrieve it in a form encrypted by a device-specific key. Triggering this function renders the router inoperable for a substantial period of time. This issue was identified in firmware versions up to 4.2.17. Status of newer versions remains unknown.
Last activity 28 Sep 2026. Patch Forecast updates every hour.