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A3300R Firmware CVE-2023-46992

HIGH
Incorrect Authorization (CWE-863)
2023-10-31 cve@mitre.org
Authentication Bypass A3300R Firmware TOTOLINK
7.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-863
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

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

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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 bypass authorization checks to access restricted resources 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 A3300R V17.0.0cu.557_B20221024 is vulnerable to Incorrect Access Control. 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. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. TOTOLINK A3300R V17.0.0cu.557_B20221024 is vulnerable to Incorrect Access Control. Attackers are able to reset serveral critical passwords without authentication by visiting specific pages. Affected products include: Totolink A3300R 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 A3300R V17.0.0cu.557_B20221024 is vulnerable to Incorrect Access Control. Attackers are able to reset serveral critical passwords without authentication by visiting specific pages.

Threat Intelligence Overview

EPSS Score
0.5%
Top 59% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low
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 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 CRITICAL

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:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*

More in A3300R Firmware

View all
CVE-2024-24333 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the desc paramet
CVE-2024-24332 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the url paramete
CVE-2024-24331 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the enable param
CVE-2024-24330 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the port or enab
CVE-2024-24329 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the enable param
CVE-2024-24328 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the enable param
CVE-2024-24327 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the pppoePass pa
CVE-2024-24326 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the arpEnable pa
CVE-2024-24325 CRITICAL POC
9.8 Jan 30

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the enable param
CVE-2023-46993 CRITICAL POC
9.8 Oct 31

In TOTOLINK A3300R V17.0.0cu.557_B20221024 when dealing with setLedCfg request, there is no verification for the enable

CVE-2023-46976 CRITICAL POC
9.8 Oct 31

TOTOLINK A3300R 17.0.0cu.557_B20221024 contains a command injection via the file_name parameter in the UploadFirmwareFil
CVE-2023-37173 CRITICAL POC
9.8 Jul 07

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain a command injection vulnerability via the command para

Same weakness CWE-863 – Incorrect Authorization

View all
CVE-2025-54253 CRITICAL POC
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CVE-2026-71362 CRITICAL POC
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CVE-2026-42016 HIGH POC
8.8
CVE-2023-21715 HIGH
7.3
CVE-2025-21480 HIGH
8.6
CVE-2025-21479 HIGH
8.6
CVE-2025-32462 HIGH POC
8.8

Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC
10.0
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2022-40684 CRITICAL POC
9.8
CVE-2025-61882 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3

References

Advisories & patches
ADVISORY https://vuldb.com/vuln/244065

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