Buffer overflow in Belkin F9k1122
CVE-2025-7090
A vulnerability, which was classified as critical, has been found in Belkin F9K1122 1.00.33. Affected by this issue is the function formConnectionSetting of the file /goform/formConnectionSetting of the component webs. The manipulation of the argument max_Conn/timeOut leads to stack-based buffer overflow. 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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.058 (92.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.058 · change: +0.011
Affected products
- Belkin F9k1122 — versions 1.00.33
- Belkin F9k1122 Firmware — versions 1.00.33
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_10/10.md (related, Exploit, Third Party Advisory)
- github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_10/10.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-7090?
- CVE-2025-7090 is a high-severity vulnerability in Belkin F9k1122, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-06.
- How severe is CVE-2025-7090?
- High severity. CVSS v3 base score is 8.8 out of 10.