CVE-2026-36819: n/a
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the bindMACAddr parameter of the fromSetDhcpRules function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
AI Analysis
Technical Summary
CVE-2026-36819 identifies a buffer overflow vulnerability in the bindMACAddr parameter within the fromSetDhcpRules function of Tenda W20E firmware v15.11.0.6. Exploitation requires sending a specially crafted HTTP request, which causes a denial of service by crashing or destabilizing the device. The vulnerability is classified under CWE-121 (stack-based buffer overflow). There is no vendor advisory or patch information available at this time, and no known exploits have been reported in the wild.
Potential Impact
Successful exploitation results in a denial of service, causing the affected device to crash or become unresponsive. There is no indication of confidentiality or integrity impact. The vulnerability can be exploited remotely without authentication.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, network administrators should consider restricting access to the device's management interface from untrusted networks to reduce exposure.
CVE-2026-36819: n/a
Description
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the bindMACAddr parameter of the fromSetDhcpRules 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-2026-36819 identifies a buffer overflow vulnerability in the bindMACAddr parameter within the fromSetDhcpRules function of Tenda W20E firmware v15.11.0.6. Exploitation requires sending a specially crafted HTTP request, which causes a denial of service by crashing or destabilizing the device. The vulnerability is classified under CWE-121 (stack-based buffer overflow). There is no vendor advisory or patch information available at this time, and no known exploits have been reported in the wild.
Potential Impact
Successful exploitation results in a denial of service, causing the affected device to crash or become unresponsive. There is no indication of confidentiality or integrity impact. The vulnerability can be exploited remotely without authentication.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, network administrators should consider restricting access to the device's management interface from untrusted networks to reduce exposure.
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: 6a2876df8dd33fbd85785f03
Added to database: 6/9/2026, 8:26:07 PM
Last enriched: 6/9/2026, 8:41:49 PM
Last updated: 6/13/2026, 5:54:17 AM
Views: 23
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.