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…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (42.8th 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/E:P/RL:X/RC:R.
Affected products
- Belkin F9k1015 — versions 1.00.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-327180 | Belkin F9K1015 formWanTcpipSetup buffer overflow (vdb-entry, technical-description)
- VDB-327180 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #661303 | Belkin F9K1015 1.00.10 Buffer Overflow (third-party-advisory)
- github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md (related)
- github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md (exploit)
Frequently asked questions
- What is CVE-2025-11299?
- CVE-2025-11299 is a high-severity vulnerability in Belkin F9k1015, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). 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.