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E5600 Firmware CVE-2024-33788

HIGH
Command Injection (CWE-77)
2024-05-06 cve@mitre.org
8.0
CVSS 3.1 · Vendor: mitre
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK

1 technique across 1 tactic: Execution

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

Impact

CVSS score of 8.0 (HIGH). Attack characteristics: adjacent network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

An attacker could exploit this vulnerability to inject arbitrary commands into system command execution.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.9% exploitation probability (EPSS)

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AnalysisAI

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability via the PinCode parameter at /API/info form endpoint. Rated high severity (CVSS 8.0), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability via the PinCode parameter at /API/info form endpoint. Affected products include: Linksys E5600 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (mitre) PRIMARY 8.0 HIGH
AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

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

DescriptionCVE.org

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability via the PinCode parameter at /API/info form endpoint.

Threat Intelligence Overview

EPSS Score
1.9%
Top 22% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

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 1.9%
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
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Controlled
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

62
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +40
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:o:linksys:e5600_firmware:1.1.0.26:*:*:*:*:*:*:*
CVE-2025-45491 CRITICAL POC
9.8 May 06

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus DynDNS fun

CVE-2025-45488 CRITICAL POC
9.8 May 06

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus DynDNS fun

CVE-2025-45487 CRITICAL POC
9.8 May 06

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.InternetConnection fu

CVE-2025-45490 CRITICAL POC
9.8 May 06

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus DynDNS fun

CVE-2025-45489 CRITICAL POC
9.8 May 06

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus DynDNS fun

CVE-2024-33789 CRITICAL POC
9.8 May 03

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability via the ipurl parameter at /API/info

CVE-2025-29229 CRITICAL
9.8 Dec 23

Command injection in the Linksys E5600's ddnsStatus handler exposes firmware 1.1.0.26 to remote OS command execution thr

CVE-2025-29230 HIGH
8.6 Mar 21

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.emailReg function. Ra

CVE-2025-29227 MEDIUM
6.3 Mar 21

In Linksys E5600 V1.1.0.26, the \usr\share\lua\runtime.lua file contains a command injection vulnerability in the runtim

CVE-2025-29226 MEDIUM
6.3 Mar 21

In Linksys E5600 V1.1.0.26, the \usr\share\lua\runtime.lua file contains a command injection vulnerability in the runtim

CVE-2025-29223 MEDIUM
6.3 Mar 21

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability via the pt parameter in the traceRou

CVE-2025-9146 HIGH POC
7.5 Aug 19

A flaw has been found in Linksys E5600 1.1.0.26. Rated high severity (CVSS 7.5), this vulnerability is remotely exploita

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