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Vulnerability record · CVE-2026-5612 · published 6 April 2026

CVE-2026-5612: Belkin f9k1015 firmware memory buffer overflow vulnerability

Belkin · F9k1015 Firmware

A vulnerability was determined in Belkin F9K1015 1.00.10. This vulnerability affects the function formWlEncrypt of the file /goform/formWlEncrypt. Executing a manipulation of the argument webpage can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. 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 determined in Belkin F9K1015 1.00.10. This vulnerability affects the function formWlEncrypt of the file /goform/formWlEncrypt. Executing a manipulation of the argument webpage can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. 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_7/README.md ExploitThird Party Advisory
https://vuldb.com/submit/785551 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355403 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355403/cti Permissions RequiredVDB Entry

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Related vulnerabilities

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

7.4CVE-2026-5628Belkin f9k1015 firmware memory buffer overflow vulnerabilityA security vulnerability has been detected in Belkin F9K1015 1.00.10. Impacted is the function formSetSystemSettings of the file /goform/formSetSyste…EPSS 1.1%7.4CVE-2026-5629Belkin f9k1015 firmware memory buffer overflow vulnerabilityA vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function formSetFirewall of the file /goform/formSetFirewall. The…EPSS 1.1%7.4CVE-2026-5614Belkin f9k1015 firmware memory buffer overflow vulnerabilityA security flaw has been discovered in Belkin F9K1015 1.00.10. Impacted is the function formSetPassword of the file /goform/formSetPassword. The mani…EPSS 1.5%7.4CVE-2026-5611Belkin f9k1015 firmware memory buffer overflow vulnerabilityA vulnerability was found in Belkin F9K1015 1.00.10. This affects the function formCrossBandSwitch of the file /goform/formCrossBandSwitch. Performin…EPSS 1.1%7.4CVE-2026-5613Belkin f9k1015 firmware memory buffer overflow vulnerabilityA vulnerability was identified in Belkin F9K1015 1.00.10. This issue affects the function formReboot of the file /goform/formReboot. The manipulation…EPSS 1.1%7.4CVE-2026-5610Belkin f9k1015 firmware memory buffer overflow vulnerabilityA vulnerability has been found in Belkin F9K1015 1.00.10. Affected by this issue is the function formWISP5G of the file /goform/formWISP5G. Such mani…EPSS 1.1%7.4CVE-2025-11302Belkin f9k1015 firmware memory buffer overflow vulnerabilityA security vulnerability has been detected in Belkin F9K1015 1.00.10. This impacts an unknown function of the file /goform/formWpsStart. Such manipul…EPSS 1.1%7.4CVE-2025-11301Belkin f9k1015 firmware memory buffer overflow vulnerabilityA weakness has been identified in Belkin F9K1015 1.00.10. This affects an unknown function of the file /goform/formWlanSetupWPS. This manipulation of…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2026-5612), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.