Ac7 Firmware CVE-2023-41558

CRITICAL

Out-of-bounds Write (CWE-787)

2023-08-30 cve@mitre.org

Memory Corruption Buffer Overflow Tenda Ac7 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

Aug 30, 2023 - 13:15 nvd

CRITICAL 9.8

DescriptionNVD

Tenda AC7 V1.0 V15.03.06.44 was discovered to contain a stack overflow via parameter timeZone at url /goform/SetSysTimeCfg.

AnalysisAI

Tenda AC7 V1.0 V15.03.06.44 was discovered to contain a stack overflow via parameter timeZone at url /goform/SetSysTimeCfg. 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. Tenda AC7 V1.0 V15.03.06.44 was discovered to contain a stack overflow via parameter timeZone at url /goform/SetSysTimeCfg. Affected products include: Tenda Ac7 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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CVE-2023-38936 CRITICAL Act Now POC

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CVE-2023-38931 CRITICAL Act Now POC

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

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CVE-2023-41558 vulnerability details – vuln.today

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