CVE-2026-5991: Stack-based Buffer Overflow in Tenda F451
A vulnerability was found in Tenda F451 1.0.0.7. Affected by this issue is the function formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.
AI Analysis
Technical Summary
The vulnerability CVE-2026-5991 affects Tenda F451 firmware version 1.0.0.7. It is a stack-based buffer overflow triggered by manipulating the GO argument in the formWrlExtraSet function located in /goform/WrlExtraSet. The flaw allows remote attackers to cause memory corruption, potentially leading to arbitrary code execution or denial of service. The CVSS 4.0 base score is 8.7, reflecting high impact and ease of exploitation with no required privileges or user interaction. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code or crash the device due to stack corruption. This compromises the affected device's integrity and availability. The vulnerability is remotely exploitable without authentication, increasing its risk. However, there are no confirmed reports of exploitation in the wild.
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 restricting network access to the affected device's management interfaces to trusted sources only. Monitor vendor communications for updates on patches or mitigations.
CVE-2026-5991: Stack-based Buffer Overflow in Tenda F451
Description
A vulnerability was found in Tenda F451 1.0.0.7. Affected by this issue is the function formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-5991 affects Tenda F451 firmware version 1.0.0.7. It is a stack-based buffer overflow triggered by manipulating the GO argument in the formWrlExtraSet function located in /goform/WrlExtraSet. The flaw allows remote attackers to cause memory corruption, potentially leading to arbitrary code execution or denial of service. The CVSS 4.0 base score is 8.7, reflecting high impact and ease of exploitation with no required privileges or user interaction. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code or crash the device due to stack corruption. This compromises the affected device's integrity and availability. The vulnerability is remotely exploitable without authentication, increasing its risk. However, there are no confirmed reports of exploitation in the wild.
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 restricting network access to the affected device's management interfaces to trusted sources only. Monitor vendor communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-09T12:37:10.967Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d83edb1cc7ad14da371612
Added to database: 4/10/2026, 12:05:47 AM
Last enriched: 4/17/2026, 11:50:35 AM
Last updated: 5/25/2026, 1:11:02 AM
Views: 71
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