What is the CVSS score of CVE-2025-7154?

CVE-2025-7154 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: 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. EPSS exploitation probability: 2.0%.

Is there a public PoC exploit available for CVE-2025-7154?

Yes, a public proof-of-concept exploit is available for CVE-2025-7154. Prioritise patching immediately. EPSS: 2.0%.

N200re Firmware CVE-2025-7154

EUVD-2025-20355 LOW

Command Injection (CWE-77)

2025-07-08 cna@vuldb.com

Command Injection N200re Firmware TOTOLINK

2.1

CVSS 4.0 · NVD

View

Vulnerability Assessment

Weakness

CWE

CWE-77

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.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 2.0% exploitation probability (EPSS)

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AnalysisAIv2 – Jul 26, 2026

OS command injection in TOTOLINK N200RE router firmware allows remote authenticated attackers to execute arbitrary commands via the Hostname parameter in the /cgi-bin/cstecgi.cgi endpoint. The vulnerability affects firmware versions 9.3.5u.6095_B20200916 and 9.3.5u.6139_B20201216, and publicly available exploit code exists, though no active exploitation has been confirmed by authorities.

Earlier versions of this analysis (1)

v1 Mar 16, 2026 - 04:21 CVSS 6.3

Affected VersionsENISA

N200RE 9.3.5u.6095_B20200916

N200RE 9.3.5u.6139_B20201216

Affected Packages

euvd n200re 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.

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Exploit and PoC references, threat intelligence from 22 sources

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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

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

PoC Detected

Jul 16, 2025 - 19:35 vuln.today

Public exploit code

CVE Published

Jul 08, 2025 - 01:15 nvd

MEDIUM 6.3

CVE Published

Jul 08, 2025 - 01:15 cve.org

LOW 2.1

DescriptionCVE.org

A vulnerability, which was classified as critical, has been found in TOTOLINK N200RE 9.3.5u.6095_B20200916/9.3.5u.6139_B20201216. Affected by this issue is the function sub_41A0F8 of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Hostname leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Executive ViewAI

Why It Matters

CVE-2025-7154 presents moderate security risk, a command injection vulnerability rated CVSS 6.3. 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.

Recommended Action

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

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

2.0%

Top 17% exploitable

Exploit

POC

Public exploit code exists

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

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 2.0%

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

Human Impact

Low

Priority Score

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 CRITICAL

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

More in N200re Firmware

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CVE-2024-0998 HIGH This Week POC

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CVE-2024-0997 HIGH This Week POC

8.8 Jan 29

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Rated high severity (CVSS

CVE-2024-1004 HIGH This Week POC

7.2 Jan 29

A vulnerability, which was classified as critical, was found in Totolink N200RE 9.3.5u.6139_B20201216. Rated high severi

CVE-2025-55893 MEDIUM This Month POC

6.5 Dec 15

Command injection in the TOTOLINK N200RE router firmware (V9.3.5u.6437_B20230519) lets an attacker on the same local net

CVE-2023-2790 MEDIUM This Month POC

5.5 May 18

A vulnerability classified as problematic has been found in TOTOLINK N200RE 9.3.5u.6255_B20211224. Rated medium severity

CVE-2024-0299 HIGH This Month POC

7.3 Jan 08

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. Rated high severity (CVSS 7.3), this vulnerability i

Same weakness CWE-77 – Command Injection

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CVE-2024-21887 CRITICAL POC

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CVE-2016-3081 HIGH POC

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CVE-2012-1823 CRITICAL POC

9.8

CVE-2016-1555 CRITICAL POC

9.8

CVE-2024-55956 CRITICAL POC

9.8

CVE-2015-2051 HIGH POC

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CVE-2017-6327 HIGH POC

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CVE-2023-34960 CRITICAL POC

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Same technique Command Injection

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CVE-2019-15107 CRITICAL POC

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CVE-2024-51378 CRITICAL POC

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CVE-2014-6271 CRITICAL POC

9.8

References

Advisories & patches

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-7154 REF https://vuldb.com/?ctiid.315092 REF https://vuldb.com/?id.315092 REF https://vuldb.com/?submit.606230 REF https://www.totolink.net/

Search Externally

GitHub PoC

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