CVE-2026-7151 | Tenda HG3 2.0 /boaform/formIPv6Routing formUploadConfig destNet stack-based overflow

VDB-359750 · SUBMIT #802058 · CVE-2026-7151 TENDA HG3 2.0 /BOAFORM/FORMIPV6ROUTING FORMUPLOADCONFIG DESTNET STACK-BASED OVERFLOW HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability was found in Tenda HG3 2.0. It has been declared as critical. The affected element is the function formUploadConfig of the file /boaform/formIPv6Routing. Such manipulation of the argument destNet leads to stack-based overflow. This vulnerability is referenced as CVE-2026-7151. It is possible to launch the attack remotely. Furthermore, an exploit is available. Detailsinfo A vulnerability, which was classified as critical, has been found in Tenda HG3 2.0. Affected by this issue is the function formUploadConfig of the file /boaform/formIPv6Routing. The manipulation of the argument destNet with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability. The advisory is available at notion.so. This vulnerability is handled as CVE-2026-7151. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The exploit is available at notion.so. 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 HG3 Version 2.0 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 04/26/2026 Advisory disclosed 04/26/2026 +0 days VulDB entry created 04/26/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tenda.com.cn Advisory: notion.so Status: Not defined CVE: CVE-2026-7151 (🔒) GCVE (CVE): GCVE-0-2026-7151 GCVE (VulDB): GCVE-100-359750 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/26/2026 22:10 Changes: 04/26/2026 22:10 (57) Complete: 🔍 Submitter: 2er00ne Cache ID: 99:645:101 Submitinfo Accepted Submit #802058: Tenda HG3 N300 Wi-Fi xPON ONT HARD_VERSION=V2.0 , Version: 300003070 dos (by 2er00ne) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸