CVE-2026-5684 | Tenda CX12L 16.03.53.12 webExcptypemanFilter fromwebExcptypemanFilter page stack-based overflow

VDB-355511 · CVE-2026-5684 · GCVE-100-355511 TENDA CX12L 16.03.53.12 WEBEXCPTYPEMANFILTER FROMWEBEXCPTYPEMANFILTER PAGE STACK-BASED OVERFLOW HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.3 $0-$5k 2.91+ Summaryinfo A vulnerability identified as critical has been detected in Tenda CX12L 16.03.53.12. This affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page leads to stack-based overflow. This vulnerability is documented as CVE-2026-5684. The attack requires being on the local network. Additionally, an exploit exists. Detailsinfo A vulnerability, which was classified as critical, has been found in Tenda CX12L 16.03.53.12. This issue affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page 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. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-5684. The exploitation is known to be easy. The attack can only be initiated within the local network. 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 CX12L Version 16.03.53.12 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: 8.0 VulDB Meta Temp Score: 7.3 VulDB Base Score: 8.0 VulDB Temp Score: 7.3 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: Partially 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 04/06/2026 Advisory disclosed 04/06/2026 +0 days VulDB entry created 04/06/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tenda.com.cn Advisory: github.com Status: Not defined CVE: CVE-2026-5684 (🔒) GCVE (CVE): GCVE-0-2026-5684 GCVE (VulDB): GCVE-100-355511 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/06/2026 12:19 Changes: 04/06/2026 12:19 (57) Complete: 🔍 Submitter: lv1020 Cache ID: 99:F0F:101 Submitinfo Accepted Submit #792781: Tenda CX12L V16.03.53.12 Stack-based Buffer Overflow (by lv1020) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸