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Ax3 Firmware CVE-2023-27239

CRITICAL
Out-of-bounds Write (CWE-787)
2023-03-15 cve@mitre.org
Memory Corruption Buffer Overflow Tenda Ax3 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
Mar 15, 2023 - 06:15 nvd
CRITICAL 9.8

DescriptionNVD

Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the shareSpeed parameter at /goform/WifiGuestSet.

AnalysisAI

Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the shareSpeed parameter at /goform/WifiGuestSet. 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 AX3 V16.03.12.11 was discovered to contain a stack overflow via the shareSpeed parameter at /goform/WifiGuestSet. Affected products include: Tenda Ax3 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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9.8 Jan 04

Tenda AX3 v16.03.12.11 was discovered to contain a remote code execution (RCE) vulnerability via the list parameter at /
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Tenda AX3 firmware has another stack-based buffer overflow in formGetIptv through a different input path, enabling remot
CVE-2023-49409 CRITICAL POC
9.8 Dec 07

Tenda AX3 V16.03.12.11 was discovered to contain a Command Execution vulnerability via the function /goform/telnet. Rate
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Tenda AX3 V16.03.12.11 was discovered to contain a command injection vulnerability via the lanip parameter at /goform/Ad
CVE-2023-24212 CRITICAL POC
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Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the timeType function at /goform/SetSysTimeCfg. Ra
CVE-2022-24995 CRITICAL POC
9.8 Mar 10

Tenda AX3 v16.03.12.10_CN was discovered to contain a stack overflow in the function fromSetSysTime. Rated critical seve
CVE-2023-27042 HIGH POC
8.8 Mar 24

Tenda AX3 V16.03.12.11 is vulnerable to Buffer Overflow via /goform/SetFirewallCfg. Rated high severity (CVSS 8.8), this
CVE-2025-69765 HIGH POC
7.5 Mar 03

Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formGetIptv function and the list parameter, which can caus

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

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CVE-2011-2462 CRITICAL POC
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CVE-2012-1889 HIGH POC
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CVE-2010-3333 HIGH POC
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CVE-2014-1761 HIGH POC
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CVE-2009-3129 HIGH POC
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CVE-2021-1732 HIGH POC
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CVE-2013-3346 CRITICAL POC
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Same technique Memory Corruption

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CVE-2011-2462 CRITICAL POC
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CVE-2011-0611 HIGH POC
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CVE-2014-0322 HIGH POC
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CVE-2012-1889 HIGH POC
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CVE-2012-4792 HIGH POC
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CVE-2010-3333 HIGH POC
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CVE-2023-27239 vulnerability details – vuln.today
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