CVE-2026-5042

HIGH EPSS 47.4%
Published Mar 29, 20263mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Mar 29, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A security flaw has been discovered in Belkin F9K1122 1.00.33. The affected element is the function formCrossBandSwitch of the file /goform/formCrossBandSwitch of the component Parameter Handler. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score
7.4
Exploitability
Impact
Vector string
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:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
47.4% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
belkinf9k1122_firmware1.00.33any
belkinf9k1122*any

References 4

  • github.com https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_153/README.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/submit/779123
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/353965
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/353965/cti
    Permissions RequiredVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.