CVE Tools
Sign in

CVE-2026-5043

Belkin F9K1122 Parameter formSetPassword stack-based overflow

Published: Mar 29, 2026Updated: Mar 30, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.8%
Top 48.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A weakness has been identified in Belkin F9K1122 1.00.33. The impacted element is the function formSetPassword of the file /goform/formSetPassword of the component Parameter Handler. This manipulation of the argument webpage causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119CWE-121CWE-787

Affected Products

F9K1122BelkinNetworking Infrastructure
f9k1122 firmwarebelkinNetworking Infrastructure
belkincommercialUSNetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/vuln/353966
vuldb.com
https://vuldb.com/vuln/353966/cti
vuldb.com
https://vuldb.com/submit/779124
vuldb.com
and 1 more references View all →

Timeline

Published
Mar 29, 2026
Last Updated
Mar 30, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-5043 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows