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G3 Firmware CVE-2022-36586

CRITICAL
Classic Buffer Overflow (CWE-120)
2022-09-08 cve@mitre.org
Tenda Buffer Overflow G3 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
Sep 08, 2022 - 00:15 nvd
CRITICAL 9.8

DescriptionNVD

In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by strcpy in function 0x869f4 in the httpd binary.

AnalysisAI

In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by strcpy in function 0x869f4 in the httpd binary. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by strcpy in function 0x869f4 in the httpd binary. Affected products include: Tenda G3 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

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CVE-2022-36586 vulnerability details – vuln.today
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