CVE-2026-36823: n/a
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the webAuthUserInfo parameter of the formAddWebAuthUser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
AI Analysis
Technical Summary
CVE-2026-36823 is a buffer overflow vulnerability affecting Tenda W20E firmware version 15.11.0.6. The issue is located in the webAuthUserInfo parameter within the formAddWebAuthUser function. Exploitation can lead to a Denial of Service (DoS) condition by processing a maliciously crafted HTTP request. The vulnerability is classified under CWE-121 (Stack-based Buffer Overflow) and has a CVSS v3.1 base score of 7.5, indicating high severity. No known exploits in the wild or vendor patches have been reported as of the publication date.
Potential Impact
Successful exploitation results in a Denial of Service (DoS) condition, disrupting normal operation of the affected device. There is no indication of confidentiality or integrity impact. The vulnerability can be triggered remotely without authentication, increasing the risk of disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, limit exposure of the affected device to untrusted networks and monitor for unusual HTTP requests targeting the webAuthUserInfo parameter.
CVE-2026-36823: n/a
Description
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the webAuthUserInfo parameter of the formAddWebAuthUser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-36823 is a buffer overflow vulnerability affecting Tenda W20E firmware version 15.11.0.6. The issue is located in the webAuthUserInfo parameter within the formAddWebAuthUser function. Exploitation can lead to a Denial of Service (DoS) condition by processing a maliciously crafted HTTP request. The vulnerability is classified under CWE-121 (Stack-based Buffer Overflow) and has a CVSS v3.1 base score of 7.5, indicating high severity. No known exploits in the wild or vendor patches have been reported as of the publication date.
Potential Impact
Successful exploitation results in a Denial of Service (DoS) condition, disrupting normal operation of the affected device. There is no indication of confidentiality or integrity impact. The vulnerability can be triggered remotely without authentication, increasing the risk of disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, limit exposure of the affected device to untrusted networks and monitor for unusual HTTP requests targeting the webAuthUserInfo parameter.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a286c688dd33fbd857436cc
Added to database: 06/09/2026, 19:41:28 UTC
Last enriched: 06/09/2026, 19:55:36 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 70
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