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Vulnerability record · CVE-2026-5629 · published 6 April 2026

CVE-2026-5629: Belkin f9k1015 firmware memory buffer overflow vulnerability

Belkin · F9k1015 Firmware

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.

7.4 CVSS 4.0 High EPSS 1.1% · top 36.9% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
24 Jul 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Litengzheng/vuldb_new/blob/main/Belkin%20F9K1015/vul_13/README.md ExploitThird Party Advisory
https://vuldb.com/submit/785556 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355417 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355417/cti Permissions RequiredVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-5629), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.