CVE-2026-6631 | Tenda F451 1.0.0.7_cn_svn7958 httpd webExcptypemanFilter fromwebExcptypemanFilter page buffer overflow

VDB-358265 · SUBMIT #792904 · CVE-2026-6631 TENDA F451 1.0.0.7_CN_SVN7958 HTTPD WEBEXCPTYPEMANFILTER FROMWEBEXCPTYPEMANFILTER PAGE BUFFER OVERFLOW HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability was found in Tenda F451 1.0.0.7_cn_svn7958. It has been classified as critical. The affected element is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter of the component httpd. The manipulation of the argument page leads to buffer overflow. This vulnerability is referenced as CVE-2026-6631. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Detailsinfo A vulnerability, which was classified as critical, has been found in Tenda F451 1.0.0.7_cn_svn7958. This issue affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter of the component httpd. The manipulation of the argument page with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-6631. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The exploit is available at github.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Router Operating System Vendor Tenda Name F451 Version 1.0.0.7_cn_svn7958 License commercial Website Vendor: https://www.tenda.com.cn/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 8.8 VulDB Meta Temp Score: 8.0 VulDB Base Score: 8.8 VulDB Temp Score: 8.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Buffer overflow CWE: CWE-120 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/19/2026 Advisory disclosed 04/19/2026 +0 days VulDB entry created 04/19/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tenda.com.cn Advisory: github.com Status: Not defined CVE: CVE-2026-6631 (🔒) GCVE (CVE): GCVE-0-2026-6631 GCVE (VulDB): GCVE-100-358265 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 19:11 Changes: 04/19/2026 19:11 (58) Complete: 🔍 Submitter: jimi666 Cache ID: 99:8F9:101 Submitinfo Accepted Submit #792904: Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow (by jimi666) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸