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Tew 713Re CVE-2026-5183

| EUVDEUVD-2026-17331 LOW
Command Injection (CWE-77)
2026-03-31 VulDB GHSA-rqfv-fqvg-7p3j
2.1
CVSS 4.0 · NVD
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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

The CVSS 6.3 score (medium severity) reflects the authenticated requirement (PR:L) that moderates the risk, despite network accessibility and low attack complexity. The EPSS metric and SSVC framework signal meaningful but not critical risk: exploitation is straightforward (AC:L) and the technical impact spans confidentiality, integrity, and availability (C:L/I:L/A:L), but the authentication gate limits spontaneous mass exploitation. However, the presence of publicly available exploit code combined with lack of vendor response significantly elevates practical risk for any organization running this older TRENDnet model. This is not a high-CVSS-but-low-risk issue; it is a functional vulnerability with real exploitation barriers (authentication) but serious consequences if the attacker gains initial access.

Exploit ScenarioDerived

An authenticated attacker with valid router credentials (obtained through credential compromise, weak defaults, or social engineering) connects to the TRENDnet TEW-713RE web interface and submits a crafted POST request to /goform/addRouting with a malicious dest parameter containing shell command injection payloads such as dest=$(reboot) or dest=cat /etc/passwd. The router's addRouting function processes this input without sanitization and executes the injected commands with router privileges, allowing the attacker to reboot the device, extract configuration files, modify firewall rules, or establish a persistent backdoor. Publicly available exploit code enables even non-skilled attackers to execute this attack reliably.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 31, 2026

Command injection in TRENDnet TEW-713RE firmware up to version 1.02 allows authenticated remote attackers to execute arbitrary commands via manipulation of the dest parameter in the /goform/addRouting function. The vulnerability has a CVSS score of 6.3 and publicly available exploit code exists; the vendor has not responded to early disclosure attempts, leaving affected devices without an official patch.

RemediationAI

No vendor-released patch identified at time of analysis. TRENDnet has not responded to early disclosure notifications regarding this vulnerability. Organizations operating TEW-713RE devices should consider implementing network segmentation to restrict access to the router's administrative interface, enforce strong authentication credentials to limit credential compromise risk, and monitor for exploitation attempts targeting the /goform/addRouting endpoint. Users should review TRENDnet's support page for any available firmware updates or consider upgrading to a newer router model if this device is critical to network operations. A detailed technical breakdown of the vulnerability is available at https://github.com/panda666-888/vuls/blob/main/trendnet/tew-713re/addRouting.md.

Affected VersionsENISA

TEW-713RE 1.02

Affected Packages

euvd tew_713re 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

The vulnerability resides in the sub_421494 function within the /goform/addRouting endpoint of TRENDnet TEW-713RE router firmware. This endpoint processes routing configuration requests and fails to properly validate or sanitize the dest parameter before passing it to shell command execution, creating a CWE-77 (Improper Neutralization of Special Elements used in a Command) condition. Attackers can inject shell metacharacters and command separators to break out of the intended command context and execute arbitrary system commands with the privileges of the router's web service process. The attack vector is network-based but requires authenticated access (PR:L per CVSS vector), meaning the attacker must first obtain valid router credentials.

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Severity by source

NVD PRIMARY 2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

4
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Apr 01, 2026 - 14:24 vuln.today
Public exploit code
CVE Published
Mar 31, 2026 - 05:45 nvd
MEDIUM 5.3

DescriptionCVE.org

A vulnerability was determined in TRENDnet TEW-713RE up to 1.02. The affected element is the function sub_421494 of the file /goform/addRouting. Executing a manipulation of the argument dest can lead to command injection. It is possible to launch the attack 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.

Threat Intelligence Overview

EPSS Score
0.8%
Top 25% exploitable
Exploit
POC
Public exploit code exists
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment GitHub VulDB

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 LOW
CISA KEV No
Public POC Yes
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Poc
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Low
Technical Impact
Partial

Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +10
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.

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