CVE-2025-8730

Belkin F9K1009/F9K1010 Web Interface hard-coded credentials

9.3 CriticalPublic exploit

A vulnerability was found in Belkin F9K1009 and F9K1010 2.00.04/2.00.09 and classified as critical. Affected by this issue is some unknown functionality of the component Web Interface. The manipulation leads to hard-coded credentials. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.74%Up 3.7 points since Aug 9, 2025

What each source reports

CVE List Score used 9.3

Belkin F9K1009/F9K1010 Web Interface hard-coded credentials

Record: CVE-2025-8730
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CVSS 2.0: 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Weakness: CWE-798, CWE-259
Updated: 2026-11-02

EUVDEUVD-2025-23988 9.3

Record: EUVD-2025-23988
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Updated: 2026-11-02

GitHub AdvisoriesGHSA-7rgh-5f2m-h2j8 8.9

A vulnerability was found in Belkin F9K1009 and F9K1010 2.00.04/2.00.09 and classified as...

Record: GHSA-7rgh-5f2m-h2j8
CVSS 4.0: 8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-259
Updated: 2026-11-02

NVD 8.9

Record: CVE-2025-8730
CVSS 4.0: 8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-259, CWE-798
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Belkin F9K1009 F9K1010 2.00.04/2.00.09 - Hard Coded Credentials	2025-08-11
PoC in GitHub	byteReaper77/CVE-2025-8730	2025-08-08

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-8730 is a critical vulnerability (CVSS 9.3) in Belkin F9k1009, published August 8, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.74%, the 89th percentile. No source names a fixed version.