Lr350 Firmware CVE-2022-44255

CRITICAL

Out-of-bounds Write (CWE-787)

2022-11-23 cve@mitre.org

Memory Corruption Buffer Overflow Lr350 Firmware

9.8

CVSS 3.1 · NVD

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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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

1

CVE Published

Nov 23, 2022 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

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

AnalysisAI

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

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a pre-authentication buffer overflow in the main function via long post data. Affected products include: Totolink Lr350 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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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

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Same weakness CWE-787 – Out-of-bounds Write

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Same technique Memory Corruption

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CVE-2022-44255 vulnerability details – vuln.today

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