Buffer overflow in Belkin F9k1015
CVE-2025-11299
A vulnerability was identified in Belkin F9K1015 1.00.10. The affected element is an unknown function of the file /goform/formWanTcpipSetup. The manipulation of the argument pppUserName leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Belkin F9k1015 — versions 1.00.10
- Belkin F9k1015_firmware — versions 1.00.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Exploit, Third Party Advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-11299?
- CVE-2025-11299 is a high-severity vulnerability in Belkin F9k1015, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-10-05.
- How severe is CVE-2025-11299?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-11299 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.