CVE-2026-6631 Details
Description
A vulnerability was determined in Tenda F451 1.0.0.7_cn_svn7958. Impacted is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter of the component httpd. Executing a manipulation of the argument page can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
A buffer overflow vulnerability has been identified in the Tenda F451 router, specifically in the firmware version 1.0.0.7_cn_svn7958. The issue arises in the 'fromwebExcptypemanFilter' function within the 'httpd' component. The vulnerability is triggered by manipulating the 'page' parameter, which is passed to the 'sprintf' function without proper length validation, leading to a stack-based buffer overflow. This vulnerability can be exploited remotely, potentially causing a denial-of-service condition or allowing for remote code execution.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 20, 2026CISA-ADP
Assessed Apr 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Jimi-Lab/cve/issues/25 | [email protected] | ExploitIssue TrackingTechnical Description |
| https://vuldb.com/submit/792904 | [email protected] | Technical Description |
| https://vuldb.com/vuln/358265 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/358265/cti | [email protected] | Content Wall |
| https://www.tenda.com.cn/ | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Tenda F451_kfw_V1.0.0.7_cn_svn7958 | All versions |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 20, 2026 | New CVE Received | [email protected] |