CVE-2026-6122 | Tenda F451 1.0.0.7 httpd /goform/L7Prot frmL7ProtForm page stack-based overflow

VDB-356985 · CVE-2026-6122 · SUBMIT #356985 TENDA F451 1.0.0.7 HTTPD /GOFORM/L7PROT FRML7PROTFORM PAGE STACK-BASED OVERFLOW HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability classified as critical has been found in Tenda F451 1.0.0.7. This affects the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in stack-based overflow. This vulnerability is known as CVE-2026-6122. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Detailsinfo A vulnerability classified as critical has been found in Tenda F451 1.0.0.7. This affects the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. The manipulation of the argument page with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-6122. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The exploit is shared for download 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 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: Stack-based overflow CWE: CWE-121 / 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 04/11/2026 Advisory disclosed 04/11/2026 +0 days VulDB entry created 04/11/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tenda.com.cn Advisory: github.com Status: Not defined CVE: CVE-2026-6122 (🔒) GCVE (CVE): GCVE-0-2026-6122 GCVE (VulDB): GCVE-100-356985 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/11/2026 18:08 Changes: 04/11/2026 18:08 (58) Complete: 🔍 Submitter: Jxm666 Cache ID: 99:EE2:101 Submitinfo Accepted Submit #792872: Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow (by Jxm666) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸