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X6000r Firmware CVE-2023-46978

HIGH
Missing Authentication for Critical Function (CWE-306)
2023-10-31 cve@mitre.org
7.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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

Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could access critical functionality without authentication by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

TOTOLINK X6000R V9.4.0cu.852_B20230719 is vulnerable to Incorrect Access Control.Attackers can reset login password & WIFI passwords without authentication. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, 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. Require authentication for all sensitive operations, implement defense in depth.

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 Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. TOTOLINK X6000R V9.4.0cu.852_B20230719 is vulnerable to Incorrect Access Control.Attackers can reset login password & WIFI passwords without authentication. Affected products include: Totolink X6000R Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

TOTOLINK X6000R V9.4.0cu.852_B20230719 is vulnerable to Incorrect Access Control.Attackers can reset login password & WIFI passwords without authentication.

Threat Intelligence Overview

EPSS Score
0.5%
Top 59% 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 0.5%
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
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:o:totolink:x6000r_firmware:9.4.0cu.852_b20230719:*:*:*:*:*:*:*
CVE-2025-52053 CRITICAL POC
9.8 Sep 15

TOTOLINK X6000R router firmware V9.4.0cu.1360_B20241207 contains an unauthenticated command injection in the sub_417D74

CVE-2023-50651 CRITICAL POC
9.8 Dec 30

TOTOLINK X6000R v9.4.0cu.852_B20230719 was discovered to contain a remote command execution (RCE) vulnerability via the

CVE-2024-1781 CRITICAL POC
9.8 Feb 23

A vulnerability was found in Totolink X6000R AX3000 9.4.0cu.852_20230719. Rated critical severity (CVSS 9.8), this vulne

CVE-2023-48800 CRITICAL POC
9.8 Dec 04

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_417338 function obtains fields from the front-en

CVE-2023-48799 CRITICAL POC
9.8 Dec 04

TOTOLINK-X6000R Firmware-V9.4.0cu.852_B20230719 is vulnerable to Command Execution. Rated critical severity (CVSS 9.8),

CVE-2023-48801 CRITICAL POC
9.8 Dec 01

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_415534 function obtains fields from the front-en

CVE-2023-43455 CRITICAL POC
9.8 Dec 01

An issue in TOTOLINK X6000R V9.4.0cu.652_B20230116 and V9.4.0cu.852_B20230719 allows a remote attacker to execute arbitr

CVE-2023-43454 CRITICAL POC
9.8 Dec 01

An issue in TOTOLINK X6000R V9.4.0cu.652_B20230116 and V9.4.0cu.852_B20230719 allows a remote attacker to execute arbitr

CVE-2023-43453 CRITICAL POC
9.8 Dec 01

An issue in TOTOLINK X6000R V9.4.0cu.652_B20230116 and V9.4.0cu.852_B20230719 allows a remote attacker to execute arbitr

CVE-2023-48812 CRITICAL POC
9.8 Nov 30

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file sub_4119A0 function obtains fields from the front-end through

CVE-2023-48811 CRITICAL POC
9.8 Nov 30

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end throug

CVE-2023-48810 CRITICAL POC
9.8 Nov 30

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end throug

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