CVE-2025-8730
CVE-2025-8730 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-259.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- CVSS v4: 8.9
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-23988
- Weakness: CWE-259
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-8730?
- 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.
- How severe is CVE-2025-8730?
- CVE-2025-8730 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-8730 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-8730?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-8730 have an EU (EUVD) identifier?
- Yes. CVE-2025-8730 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23988.
- When was CVE-2025-8730 published?
- CVE-2025-8730 was published on 2025-08-08 and last updated on 2026-06-17.
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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