CVE-2026-6016 | Tenda AC9 15.03.02.13 POST Request /goform/WizardHandle decodePwd WANS stack-based overflow

VDB-356572 · CVE-2026-6016 · GCVE-100-356572 TENDA AC9 15.03.02.13 POST REQUEST /GOFORM/WIZARDHANDLE DECODEPWD WANS STACK-BASED OVERFLOW HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability was found in Tenda AC9 15.03.02.13. It has been declared as critical. The impacted element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANS can lead to stack-based overflow. This vulnerability is tracked as CVE-2026-6016. The attack can be launched remotely. Moreover, an exploit is present. Detailsinfo A vulnerability classified as critical was found in Tenda AC9 15.03.02.13. This vulnerability affects the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. The manipulation of the argument WANS with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability. The advisory is shared for download at lavender-bicycle-a5a.notion.site. This vulnerability was named CVE-2026-6016. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. It is possible to download the exploit at lavender-bicycle-a5a.notion.site. 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 AC9 Version 15.03.02.13 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 04/09/2026 Advisory disclosed 04/09/2026 +0 days VulDB entry created 04/09/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tenda.com.cn Advisory: lavender-bicycle-a5a.notion.site Status: Not defined CVE: CVE-2026-6016 (🔒) GCVE (CVE): GCVE-0-2026-6016 GCVE (VulDB): GCVE-100-356572 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/09/2026 16:43 Changes: 04/09/2026 16:43 (58) Complete: 🔍 Submitter: wxhwxhwxh_mie Cache ID: 99:710:101 Submitinfo Accepted Submit #791829: Tenda AC9 AC9 V1.0 V15.03.02.13 Buffer Overflow (by wxhwxhwxh_mie) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸