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F9k1122 Firmware EUVDEUVD-2025-20149

| CVE-2025-7092 HIGH
Buffer Overflow (CWE-119)
2025-07-06 cna@vuldb.com
8.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

Successful exploitation can lead to arbitrary code execution, denial of service, or privilege escalation depending on the memory layout and protections in place. With a CVSS score of 8.8 (HIGH), this represents a significant risk.

Exploit ScenarioDerived

An attacker sends an oversized input to a vulnerable function, overwriting the return address on the stack to redirect execution to attacker-controlled shellcode.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

A vulnerability has been found in Belkin F9K1122 1.00.33 and classified as critical. This vulnerability affects the function formWlanSetupWPS of the file /goform/formWlanSetupWPS of the component webs. The manipulation of the argument wps_enrolee_pin/webpage leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Earlier versions of this analysis (1)
v1 Mar 16, 2026 - 03:31 CVSS 8.8

RemediationAI

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

Affected VersionsENISA

F9K1122 1.00.33

Affected Packages

euvd f9k1122 no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
PoC Detected
Jul 09, 2025 - 17:25 vuln.today
Public exploit code
CVE Published
Jul 06, 2025 - 20:15 nvd
HIGH 8.8

Executive ViewAI

Why It Matters

Organizations using A vulnerability face significant risk from CVE-2025-7092, a buffer overflow vulnerability rated CVSS 8.8. Exploitation could allow attackers to corrupt memory, crash the application, or potentially execute arbitrary code. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Severe
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
0.3%
Top 51% exploitable
Exploit
POC
Public exploit code exists
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Very High

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

CVE-2025-7084 HIGH POC
8.8 Jul 06

A vulnerability was found in Belkin F9K1122 1.00.33. It has been declared as critical. This vulnerability affects the fu

CVE-2025-7093 HIGH POC
8.8 Jul 06

A vulnerability was found in Belkin F9K1122 1.00.33. It has been declared as critical. Affected by this vulnerability is

CVE-2025-7091 HIGH POC
8.8 Jul 06

A vulnerability was found in Belkin F9K1122 1.00.33. It has been classified as critical. Affected is the function formWl

CVE-2025-7090 HIGH POC
8.8 Jul 06

A vulnerability, which was classified as critical, has been found in Belkin F9K1122 1.00.33. Affected by this issue is t

CVE-2025-7089 HIGH POC
8.8 Jul 06

A vulnerability was found in Belkin F9K1122 1.00.33 and classified as critical. This issue affects the function formWanT

CVE-2025-7088 HIGH POC
8.8 Jul 06

A vulnerability, which was classified as critical, was found in Belkin F9K1122 1.00.33. This affects the function formPP

CVE-2025-7087 HIGH POC
8.8 Jul 06

A vulnerability classified as critical was found in Belkin F9K1122 1.00.33. Affected by this vulnerability is the functi

CVE-2025-7086 HIGH POC
8.8 Jul 06

A vulnerability classified as critical has been found in Belkin F9K1122 1.00.33. Affected is the function formPPTPSetup

CVE-2025-7085 HIGH POC
8.8 Jul 06

A vulnerability was found in Belkin F9K1122 1.00.33. It has been rated as critical. This issue affects the function form

CVE-2025-7094 HIGH POC
8.8 Jul 06

A vulnerability was found in Belkin F9K1122 1.00.33. It has been rated as critical. Affected by this issue is the functi

CVE-2025-7083 LOW POC
2.1 Jul 06

Remote command injection in Belkin F9K1122 firmware version 1.00.33 allows authenticated low-privilege attackers to exec

CVE-2025-7082 LOW POC
2.1 Jul 06

OS command injection in Belkin F9K1122 firmware version 1.00.33 allows remote authenticated attackers to execute arbitra

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