CVE-2026-6631: Buffer Overflow in Tenda F451
CVE-2026-6631 is a high-severity buffer overflow vulnerability in Tenda F451 version 1. 0. 0. 7_cn_svn7958. The flaw exists in the httpd component, specifically in the fromwebExcptypemanFilter function handling the page argument. This vulnerability can be exploited remotely without user interaction and requires low attack complexity and privileges. Although the exploit has been publicly disclosed, no known exploits in the wild have been reported. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
The vulnerability CVE-2026-6631 affects Tenda F451 firmware version 1.0.0.7_cn_svn7958. It is a buffer overflow in the fromwebExcptypemanFilter function within the httpd component, triggered by manipulation of the page argument. This can be exploited remotely with low complexity and no user interaction, potentially allowing an attacker to cause memory corruption. The CVSS 4.0 base score is 8.7, indicating high severity. The vulnerability has been publicly disclosed, but no official fix or vendor advisory has been provided to date.
Potential Impact
Successful exploitation of this buffer overflow vulnerability could lead to memory corruption, which may allow an attacker to execute arbitrary code or cause a denial of service on the affected device. Given the remote attack vector and low complexity, this poses a significant risk to devices running the vulnerable firmware version. However, there are no confirmed reports of exploitation in the wild at this time.
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 any updates from Tenda regarding patches or mitigations. No vendor advisory or official remediation instructions are currently available.
CVE-2026-6631: Buffer Overflow in Tenda F451
Description
CVE-2026-6631 is a high-severity buffer overflow vulnerability in Tenda F451 version 1. 0. 0. 7_cn_svn7958. The flaw exists in the httpd component, specifically in the fromwebExcptypemanFilter function handling the page argument. This vulnerability can be exploited remotely without user interaction and requires low attack complexity and privileges. Although the exploit has been publicly disclosed, no known exploits in the wild have been reported. No official patch or remediation guidance is currently available from the vendor.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-6631 affects Tenda F451 firmware version 1.0.0.7_cn_svn7958. It is a buffer overflow in the fromwebExcptypemanFilter function within the httpd component, triggered by manipulation of the page argument. This can be exploited remotely with low complexity and no user interaction, potentially allowing an attacker to cause memory corruption. The CVSS 4.0 base score is 8.7, indicating high severity. The vulnerability has been publicly disclosed, but no official fix or vendor advisory has been provided to date.
Potential Impact
Successful exploitation of this buffer overflow vulnerability could lead to memory corruption, which may allow an attacker to execute arbitrary code or cause a denial of service on the affected device. Given the remote attack vector and low complexity, this poses a significant risk to devices running the vulnerable firmware version. However, there are no confirmed reports of exploitation in the wild at this time.
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 any updates from Tenda regarding patches or mitigations. No vendor advisory or official remediation instructions are currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-19T17:05:44.163Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e60aff19fe3cd2cde02e47
Added to database: 4/20/2026, 11:16:15 AM
Last enriched: 4/20/2026, 11:31:18 AM
Last updated: 4/20/2026, 12:18:25 PM
Views: 6
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