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Ac23 Firmware CVE-2022-43103

CRITICAL
Out-of-bounds Write (CWE-787)
2022-11-03 cve@mitre.org
Memory Corruption Tenda Buffer Overflow Ac23 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 03, 2022 - 14:15 nvd
CRITICAL 9.8

DescriptionNVD

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand function.

AnalysisAI

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand function. 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 AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand function. Affected products include: Tenda Ac23 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).

More in Ac23 Firmware

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CVE-2023-40799 CRITICAL POC
9.8 Aug 25

Tenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function. Rated critical severity (CVSS 9.8)
CVE-2023-0782 CRITICAL POC
9.8 Feb 11

A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Rated critical severity (CVSS 9.8), this
CVE-2022-43108 CRITICAL POC
9.8 Nov 03

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the firewallEn parameter in the formSetFirewal
CVE-2022-43107 CRITICAL POC
9.8 Nov 03

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the time parameter in the setSmartPowerManagem
CVE-2022-43106 CRITICAL POC
9.8 Nov 03

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the schedStartTime parameter in the setSchedWi
CVE-2022-43105 CRITICAL POC
9.8 Nov 03

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the shareSpeed parameter in the fromSetWifiGus
CVE-2022-43104 CRITICAL POC
9.8 Nov 03

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the wpapsk_crypto parameter in the fromSetWire
CVE-2022-43102 CRITICAL POC
9.8 Nov 03

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the timeZone parameter in the fromSetSysTime f
CVE-2022-43101 CRITICAL POC
9.8 Nov 03

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the devName parameter in the formSetDeviceName
CVE-2025-9605 HIGH POC
8.9 Aug 29

A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Rated high severity (CVSS 8.9), this vuln
CVE-2026-0640 HIGH POC
8.8 Jan 06

Buffer overflow in Tenda AC23 firmware version 16.03.07.52 allows remote attackers with low privileges to achieve comple
CVE-2026-1420 HIGH POC
8.8 Jan 26

Unauthenticated attackers can trigger a buffer overflow in Tenda AC23 firmware version 16.03.07.52 through the wpapsk_cr

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

View all
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2012-1889 HIGH POC
8.8
CVE-2010-3333 HIGH POC
7.8
CVE-2014-1761 HIGH POC
7.8
CVE-2009-3129 HIGH POC
7.8
CVE-2021-1732 HIGH POC
7.8
CVE-2013-3346 CRITICAL POC
9.8

Same technique Memory Corruption

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2014-0322 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-4792 HIGH POC
8.8
CVE-2010-3333 HIGH POC
7.8

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CVE-2022-43103 vulnerability details – vuln.today
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