CVE-2026-5550: Stack-based Buffer Overflow in Tenda AC10
A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolChangePwd of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. Multiple endpoints might be affected.
AI Analysis
Technical Summary
The vulnerability CVE-2026-5550 affects Tenda AC10 routers running firmware version 16.03.10.10_multi_TDE01. It is a stack-based buffer overflow in the fromSysToolChangePwd function of the /bin/httpd binary. The flaw can be exploited remotely without user interaction and requires low attack complexity and privileges. The vulnerability has a CVSS 4.0 base score of 8.7, indicating high severity with high impact on confidentiality, integrity, and availability. No official remediation or patch information is currently available.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely on the affected device, potentially leading to full compromise of the router. The high CVSS score reflects significant impact on confidentiality, integrity, and availability of the device and network traffic passing through it. Multiple endpoints running the vulnerable firmware version may be affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting remote access to the device's management interface and monitor for unusual activity. Avoid exposing the device to untrusted networks. Follow vendor channels for updates on patches or official mitigations.
CVE-2026-5550: Stack-based Buffer Overflow in Tenda AC10
Description
A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolChangePwd of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. Multiple endpoints might be affected.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-5550 affects Tenda AC10 routers running firmware version 16.03.10.10_multi_TDE01. It is a stack-based buffer overflow in the fromSysToolChangePwd function of the /bin/httpd binary. The flaw can be exploited remotely without user interaction and requires low attack complexity and privileges. The vulnerability has a CVSS 4.0 base score of 8.7, indicating high severity with high impact on confidentiality, integrity, and availability. No official remediation or patch information is currently available.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely on the affected device, potentially leading to full compromise of the router. The high CVSS score reflects significant impact on confidentiality, integrity, and availability of the device and network traffic passing through it. Multiple endpoints running the vulnerable firmware version may be affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting remote access to the device's management interface and monitor for unusual activity. Avoid exposing the device to untrusted networks. Follow vendor channels for updates on patches or official mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-04T13:28:12.754Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d21a220a160ebd92bda2f2
Added to database: 4/5/2026, 8:15:30 AM
Last enriched: 4/5/2026, 8:30:26 AM
Last updated: 4/9/2026, 2:10:02 AM
Views: 33
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