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TOTOLINK N150RT EUVDEUVD-2025-28714

| CVE-2025-6299 LOW
Command Injection (CWE-77)
2025-06-20 cna@vuldb.com
2.0
CVSS 4.0 · NVD
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate to web interface
  2. Delivery
    Access /boa/formWSC
  3. Exploit
    Inject command in targetAPSsid
  4. Execution
    Execute arbitrary OS commands
  5. Persist
    Gain root access
  6. Impact
    Compromise device

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.

Exploitation Conditions

Requires administrative access to the router's web interface (PR:H). The attacker must be able to reach the /boa/formWSC endpoint over the network (AV:N). No user interaction is needed (UI:N). The vulnerability is present in the default configuration of firmware version 3.4.0-B20190525.

Impact

CVSS 4.0 base score is 2.0 (Low) with vector AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N, indicating high privileges required but low impact. However, the EPSS score of 1.65% (82nd percentile) suggests moderate exploitation probability. Public exploit code exists, but no CISA KEV listing. The high privilege requirement (PR:H) significantly reduces real-world risk, as an attacker would need administrative access to the router's web interface. The CVSS score may understate the potential impact if an attacker can chain this with other vulnerabilities to escalate privileges.

Exploit ScenarioDerived

An attacker with administrative credentials to the TOTOLINK N150RT web interface sends a crafted HTTP request to /boa/formWSC with a malicious targetAPSsid parameter containing command injection payloads. This results in arbitrary command execution on the router with root privileges, allowing the attacker to modify settings, exfiltrate data, or use the device as a pivot point.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 1.7% exploitation probability (EPSS)

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AnalysisAIv2 – Jul 26, 2026

OS command injection in TOTOLINK N150RT firmware 3.4.0-B20190525 allows remote authenticated attackers to execute arbitrary commands via the targetAPSsid parameter in /boa/formWSC. Public exploit code is available, and EPSS score of 1.65% (82nd percentile) indicates moderate exploitation likelihood, though no active exploitation in CISA KEV has been reported.

Earlier versions of this analysis (1)
v1 Mar 15, 2026 - 00:19 CVSS 4.7

RemediationAI

No vendor-released patch identified at time of analysis. As a workaround, restrict access to the router's web interface to trusted networks only, disable remote management if not required, and monitor logs for suspicious activity. Consider replacing the device if no firmware update becomes available.

Affected VersionsENISA

N150RT 3.4.0-B20190525

Affected Packages

euvd n150rt 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 /boa/formWSC endpoint of the TOTOLINK N150RT router's web interface. The 'targetAPSsid' parameter is passed to a system command without proper sanitization, leading to OS command injection (CWE-77). The affected product is a consumer-grade router running firmware version 3.4.0-B20190525, identified by CPE cpe:2.3:o:totolink:n150rt_firmware:3.4.0-b20190525:*:*:*:*:*:*:*.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.0 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
vuln.today AI 4.7 MEDIUM

PR:H due to admin access required; low impact on confidentiality, integrity, availability.

3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
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

5
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
4.7 (MEDIUM) 2.0 (LOW)
PoC Detected
Jul 02, 2025 - 18:53 vuln.today
Public exploit code
CVE Published
Jun 20, 2025 - 03:15 nvd
MEDIUM 4.7
CVE Published
Jun 20, 2025 - 03:15 cve.org
LOW 2.0

DescriptionCVE.org

A vulnerability classified as critical has been found in TOTOLINK N150RT 3.4.0-B20190525. This affects an unknown part of the file /boa/formWSC. The manipulation of the argument targetAPSsid leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Executive ViewAI

Why It Matters

Organizations using A vulnerability classified as critical should be aware of moderate risk from CVE-2025-6299, a command injection vulnerability rated CVSS 4.7. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.

Threat Intelligence Overview

EPSS Score
1.7%
Top 18% exploitable
Prevalence
Low
obscure consumer router model
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

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 1.7%
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· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +2
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.

CVE-2025-3993 HIGH POC
8.7 Apr 28

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. Rated high severity (CVSS 8.7),

CVE-2025-3992 HIGH POC
8.7 Apr 28

A vulnerability has been found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. Rated high severity (CVSS

CVE-2025-3991 HIGH POC
8.7 Apr 28

A vulnerability, which was classified as critical, was found in TOTOLINK N150RT 3.4.0-B20190525. Rated high severity (CV

CVE-2025-3990 HIGH POC
8.7 Apr 27

A vulnerability, which was classified as critical, has been found in TOTOLINK N150RT 3.4.0-B20190525. Rated high severit

CVE-2025-3989 HIGH POC
8.7 Apr 27

A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Rated high severity (CVSS 8.7), thi

CVE-2025-3988 HIGH POC
8.7 Apr 27

A vulnerability classified as critical has been found in TOTOLINK N150RT 3.4.0-B20190525. Rated high severity (CVSS 8.7)

CVE-2020-25499 HIGH POC
8.8 Dec 09

TOTOLINK A3002RU-V2.0.0 B20190814.1034 allows authenticated remote users to modify the system's 'Run Command'. Rated hig

CVE-2025-3987 MEDIUM POC
5.3 Apr 27

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. Rated medium severity (CVSS 5.3), this vulnerability is re

CVE-2025-3994 MEDIUM POC
4.8 Apr 28

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. Rated medium severity (CVSS 4.8), this vulnerability is re

CVE-2025-3995 MEDIUM POC
4.8 Apr 28

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. Rated medium severity (CVSS 4.8), this vulnerability is re

CVE-2025-4460 MEDIUM POC
4.8 May 09

A vulnerability classified as problematic has been found in TOTOLINK N150RT 3.4.0-B20190525. Rated medium severity (CVSS

CVE-2025-3996 MEDIUM POC
4.8 Apr 28

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. Rated medium severity (CVSS 4.8), this vulnerability is re

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