Vulnerability details

CVE-2026-5612

Belkin F9K1015

Belkin F9K1015 formWlEncrypt stack-based overflow

CVSS 4.0

8.7High

Official 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 scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Belkin	F9K1015	1.00.10	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/355403 vdb-entrytechnical-description
https://vuldb.com/vuln/355403/cti signaturepermissions-required
https://vuldb.com/submit/785551 third-party-advisory
https://github.com/Litengzheng/vuldb_new/blob/main/Belkin%20F9K1015/vul_7/README.md exploit

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Details

Published: 2026-04-06
Last updated: 2026-04-06
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.69%

Probability of exploitation in 30 days

53.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow
CWE-119
Memory Corruption