CVE-2026-5156: Stack-based Buffer Overflow in Tenda CH22
CVE-2026-5156 is a high-severity stack-based buffer overflow vulnerability in Tenda CH22 version 1. 0. 0. 1. It affects the formQuickIndex function in the /goform/QuickIndex component, where manipulation of the mit_linktype argument can trigger the overflow. The vulnerability is remotely exploitable without user interaction and has a CVSS 4. 0 score of 8. 7. Although the exploit has been publicly disclosed, there are no confirmed reports of exploitation in the wild. No patch or official remediation information is currently available.
AI Analysis
Technical Summary
This vulnerability in Tenda CH22 1.0.0.1 involves a stack-based buffer overflow in the formQuickIndex function of the /goform/QuickIndex parameter handler. An attacker can remotely manipulate the mit_linktype argument to cause the overflow, potentially leading to arbitrary code execution or denial of service. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No official patch or vendor advisory is currently provided.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code or cause a denial of service on the affected device. The vulnerability impacts confidentiality, integrity, and availability with high severity. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected device's management interface to trusted sources only to reduce exposure.
CVE-2026-5156: Stack-based Buffer Overflow in Tenda CH22
Description
CVE-2026-5156 is a high-severity stack-based buffer overflow vulnerability in Tenda CH22 version 1. 0. 0. 1. It affects the formQuickIndex function in the /goform/QuickIndex component, where manipulation of the mit_linktype argument can trigger the overflow. The vulnerability is remotely exploitable without user interaction and has a CVSS 4. 0 score of 8. 7. Although the exploit has been publicly disclosed, there are no confirmed reports of exploitation in the wild. No patch or official remediation information is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Tenda CH22 1.0.0.1 involves a stack-based buffer overflow in the formQuickIndex function of the /goform/QuickIndex parameter handler. An attacker can remotely manipulate the mit_linktype argument to cause the overflow, potentially leading to arbitrary code execution or denial of service. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No official patch or vendor advisory is currently provided.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code or cause a denial of service on the affected device. The vulnerability impacts confidentiality, integrity, and availability with high severity. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected device's management interface to trusted sources only to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-03-30T13:33:15.737Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 69cb096be6bfc5ba1d7e1fb7
Added to database: 3/30/2026, 11:38:19 PM
Last enriched: 4/7/2026, 10:56:11 AM
Last updated: 5/15/2026, 7:54:44 AM
Views: 80
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