CVE-2025-8730: Belkin F9K1009/F9K1010 Web Interface hard-coded credentials

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-08 · updated 2026-06-17
Weakness: CWE-259

Description

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.

Affected products

Belkin F9K1009: 2.00.04, 2.00.09
Belkin F9K1010: 2.00.04, 2.00.09

References

https://github.com/Nicholas-wei/bug-discovery/blob/main/belkin/F9K1009_WW_2.00.09/belkin%20F9K1009_WW_2.00.09_hardcoded_credential.pdf
https://github.com/Nicholas-wei/bug-discovery/blob/main/belkin/F9K1010_WW_2.00.04/belkin_F9K1010_WW_2.00.04_hardcoded_credential.pdf
https://vuldb.com/?ctiid.319226
https://vuldb.com/?id.319226
https://vuldb.com/?submit.621747
https://vuldb.com/?submit.621748
https://vuldb.com/?submit.621760

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