CVE-2026-7054: Buffer Overflow in Tenda F456
CVE-2026-7054 is a high-severity buffer overflow vulnerability in Tenda F456 version 1. 0. 0. 5. It affects the fromPptpUserAdd function in the /goform/PPTPDClient component of the httpd service. The vulnerability can be triggered remotely by manipulating the opttype or username arguments, potentially leading to a buffer overflow. Although an exploit is publicly available, there is no confirmed patch or official remediation at this time.
AI Analysis
Technical Summary
This vulnerability in Tenda F456 1.0.0.5 involves a buffer overflow in the fromPptpUserAdd function within the /goform/PPTPDClient endpoint of the httpd component. Remote attackers can exploit this by sending crafted values for the opttype or username parameters, causing a buffer overflow condition. The vulnerability has a CVSS 4.0 base score of 8.7, indicating high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The exploit code has been made publicly available, increasing the risk of exploitation. No official patch or remediation guidance has been published by the vendor as of the data provided.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to cause a buffer overflow, which may lead to denial of service or potentially arbitrary code execution on the affected device. The high CVSS score reflects the significant risk posed by this vulnerability due to its remote exploitability and potential impact on confidentiality, integrity, and availability.
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 network exposure of the affected device and monitor for suspicious activity related to the /goform/PPTPDClient endpoint. No official mitigation or temporary fix has been documented.
CVE-2026-7054: Buffer Overflow in Tenda F456
Description
CVE-2026-7054 is a high-severity buffer overflow vulnerability in Tenda F456 version 1. 0. 0. 5. It affects the fromPptpUserAdd function in the /goform/PPTPDClient component of the httpd service. The vulnerability can be triggered remotely by manipulating the opttype or username arguments, potentially leading to a buffer overflow. Although an exploit is publicly available, there is no confirmed patch or official remediation at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Tenda F456 1.0.0.5 involves a buffer overflow in the fromPptpUserAdd function within the /goform/PPTPDClient endpoint of the httpd component. Remote attackers can exploit this by sending crafted values for the opttype or username parameters, causing a buffer overflow condition. The vulnerability has a CVSS 4.0 base score of 8.7, indicating high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The exploit code has been made publicly available, increasing the risk of exploitation. No official patch or remediation guidance has been published by the vendor as of the data provided.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to cause a buffer overflow, which may lead to denial of service or potentially arbitrary code execution on the affected device. The high CVSS score reflects the significant risk posed by this vulnerability due to its remote exploitability and potential impact on confidentiality, integrity, and availability.
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 network exposure of the affected device and monitor for suspicious activity related to the /goform/PPTPDClient endpoint. No official mitigation or temporary fix has been documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-26T01:02:42.651Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69ee45fc87115cfb6847c30a
Added to database: 4/26/2026, 5:06:04 PM
Last enriched: 4/26/2026, 5:21:01 PM
Last updated: 4/26/2026, 6:30:06 PM
Views: 4
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