Buffer overflow in Belkin F9k1015
CVE-2026-5629
A vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function formSetFirewall of the file /goform/formSetFirewall. The manipulation of the argument webpage results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now 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: 0.011 (63.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.011 · change: +0.004
Affected products
- Belkin F9k1015 — versions 1.00.10
- Belkin F9k1015 Firmware — versions 1.00.10
Weakness classification (CWE)
References
- vuldb.com/vuln/355417 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/355417/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/785556 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Litengzheng/vuldb_new/blob/main/Belkin F9K1015/vul_13/README.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-5629?
- CVE-2026-5629 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 2026-04-06.
- How severe is CVE-2026-5629?
- High severity. CVSS v3 base score is 8.8 out of 10.