Ar300m16 Firmware CVE-2024-45261

HIGH

Incorrect Authorization (CWE-863)

2024-10-24 cve@mitre.org

Authentication Bypass Ar300m16 Firmware Ax1800 Firmware Ar750S Firmware Mt6000 Firmware Xe3000 Firmware X3000 Firmware Mt3000 Firmware Mt2500 Firmware Axt1800 Firmware A1300 Firmware X750 Firmware Sft1200 Firmware Xe300 Firmware Mt1300 Firmware Ar750 Firmware Ar300M Firmware B1300 Firmware Mt300N V2 Firmware X300B Firmware E750 Firmware B3000 Firmware Gl Inet

8.0

CVSS 3.1 · Vendor: mitre

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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. Sign in to read
Impact	CVSS score of 8.0 (HIGH). Attack characteristics: adjacent network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to bypass authorization checks to access restricted resources.

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

An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.2. Rated high severity (CVSS 8.0), this vulnerability is 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. An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.2. The SID generated for a specific user is not tied to that user itself, which allows other users to potentially use it for authentication. Once an attacker bypasses the application's authentication procedures, they can generate a valid SID, escalate privileges, and gain full control. Affected products include: Gl-Inet Mt2500 Firmware, Gl-Inet Axt1800 Firmware, Gl-Inet Ax1800 Firmware, Gl-Inet B3000 Firmware, Gl-Inet A1300 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (mitre) PRIMARY 8.0 HIGH

AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.2. The SID generated for a specific user is not tied to that user itself, which allows other users to potentially use it for authentication. Once an attacker bypasses the application's authentication procedures, they can generate a valid SID, escalate privileges, and gain full control.

Threat Intelligence Overview

EPSS Score

0.5%

Top 62% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

CVE.org

EPSS

GitHub

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

Controlled

Automatable· derived

No

Human Impact· derived

Medium

Priority Score

60

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +40

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)CVE.org

cpe:2.3:o:gl-inet:mt2500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:axt1800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:ax1800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:b3000_firmware:4.5.18:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:a1300_firmware:4.5.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:x300b_firmware:4.5.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:x3000_firmware:4.4.9:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:xe3000_firmware:4.4.9:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:x750_firmware:4.3.18:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:sft1200_firmware:4.3.18:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:mt1300_firmware:4.3.18:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:e750_firmware:4.3.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:xe300_firmware:4.3.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:ar750_firmware:4.3.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:ar750s_firmware:4.3.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:ar300m_firmware:4.3.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:mt300n-v2_firmware:4.3.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:mt3000_firmware:4.6.2:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:ar300m16_firmware:4.3.17:*:*:*:*:*:*:*

cpe:2.3:o:gl-inet:mt6000_firmware:4.6.2:*:*:*:*:*:*:*

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