Lr350 Firmware CVE-2024-42967

CRITICAL

Improper Access Control (CWE-284)

2024-08-15 cve@mitre.org

Authentication Bypass Lr350 Firmware TOTOLINK

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-284 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Access control enforcement MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion 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 9.8 (CRITICAL). 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	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

Incorrect access control in TOTOLINK LR350 V9.3.5u.6369_B20220309 allows attackers to obtain the apmib configuration file, which contains the username and the password, via a crafted request to. Rated critical severity (CVSS 9.8), 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-284. Incorrect access control in TOTOLINK LR350 V9.3.5u.6369_B20220309 allows attackers to obtain the apmib configuration file, which contains the username and the password, via a crafted request to /cgi-bin/ExportSettings.sh. Affected products include: Totolink Lr350 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

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

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

High

Integrity

High

Availability

High

DescriptionNVD

Incorrect access control in TOTOLINK LR350 V9.3.5u.6369_B20220309 allows attackers to obtain the apmib configuration file, which contains the username and the password, via a crafted request to /cgi-bin/ExportSettings.sh.

Threat Intelligence Overview

EPSS Score

0.6%

Top 55% 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 CRITICAL

CISA KEV No

Public POC Yes

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

CRITICAL severity + public POC available

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

70

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +49

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:lr350_firmware:9.3.5u.6369_b20220309:*:*:*:*:*:*:*

More in Lr350 Firmware

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CVE-2023-37149 CRITICAL Act Now POC

TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection vulnerability via the FileName param

CVE-2023-37148 CRITICAL Act Now POC

TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection vulnerability via the ussd parameter

CVE-2023-37146 CRITICAL Act Now POC

TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection vulnerability via the FileName param

CVE-2023-37145 CRITICAL Act Now POC

TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection vulnerability via the hostname param

CVE-2022-44255 CRITICAL Act Now POC

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a pre-authentication buffer overflow in the main function via long post d

CVE-2022-44252 CRITICAL Act Now POC

TOTOLINK NR1800X V9.1.0u.6279_B20210910 contains a command injection via the FileName parameter in the setUploadSetting

CVE-2022-44251 CRITICAL Act Now POC

TOTOLINK NR1800X V9.1.0u.6279_B20210910 contains a command injection via the ussd parameter in the setUssd function. Rat

CVE-2022-44250 CRITICAL Act Now POC

TOTOLINK NR1800X V9.1.0u.6279_B20210910 contains a command injection via the hostName parameter in the setOpModeCfg func

CVE-2022-44249 CRITICAL Act Now POC

TOTOLINK NR1800X V9.1.0u.6279_B20210910 contains a command injection via the FileName parameter in the UploadFirmwareFil

CVE-2026-1158 HIGH This Week POC

Buffer overflow in Totolik LR350 firmware allows authenticated remote attackers to achieve full system compromise throug

CVE-2026-1157 HIGH This Week POC

Stack-based buffer overflow in Totolink LR350 firmware (version 9.3.5u.6369_B20220309) allows authenticated remote attac

CVE-2026-1156 HIGH This Week POC

Unauthenticated remote attackers can exploit a buffer overflow in the WiFi configuration function of Totolink LR350 firm

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