CVE-2026-5526 | Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1 /bin/httpd access control

VDB-355279 · CVE-2026-5526 · GCVE-100-355279 TENDA 4G03 PRO UP TO 1.0/1.1/04.03.01.53/192.168.0.1 /BIN/HTTPD ACCESS CONTROL HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability, which was classified as critical, has been found in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this issue is some unknown functionality of the file /bin/httpd. This manipulation causes access control. The identification of this vulnerability is CVE-2026-5526. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is advisable to implement restrictive firewalling. Detailsinfo A vulnerability has been found in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. This vulnerability is known as CVE-2026-5526. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. It is declared as proof-of-concept. Proper firewalling of is able to address this issue. Productinfo Type Router Operating System Vendor Tenda Name 4G03 Pro Version 1.0 1.1 04.03.01.0 04.03.01.1 04.03.01.2 04.03.01.3 04.03.01.4 04.03.01.5 04.03.01.6 04.03.01.7 04.03.01.8 04.03.01.9 04.03.01.10 04.03.01.11 04.03.01.12 04.03.01.13 04.03.01.14 04.03.01.15 04.03.01.16 04.03.01.17 04.03.01.18 04.03.01.19 04.03.01.20 04.03.01.21 04.03.01.22 04.03.01.23 04.03.01.24 04.03.01.25 04.03.01.26 04.03.01.27 04.03.01.28 04.03.01.29 04.03.01.30 04.03.01.31 04.03.01.32 04.03.01.33 04.03.01.34 04.03.01.35 04.03.01.36 04.03.01.37 04.03.01.38 04.03.01.39 04.03.01.40 04.03.01.41 04.03.01.42 04.03.01.43 04.03.01.44 04.03.01.45 04.03.01.46 04.03.01.47 04.03.01.48 04.03.01.49 04.03.01.50 04.03.01.51 04.03.01.52 04.03.01.53 192.168.0.0 192.168.0.1 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: 7.3 VulDB Meta Temp Score: 6.4 VulDB Base Score: 7.3 VulDB Temp Score: 6.4 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: Access control CWE: CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept 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: Firewall Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/04/2026 Advisory disclosed 04/04/2026 +0 days VulDB entry created 04/04/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tenda.com.cn Status: Not defined CVE: CVE-2026-5526 (🔒) GCVE (CVE): GCVE-0-2026-5526 GCVE (VulDB): GCVE-100-355279 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/04/2026 08:25 Changes: 04/04/2026 08:25 (54) Complete: 🔍 Submitter: CoreNode Cache ID: 99:44B:101 Submitinfo Accepted Submit #782052: Tenda Tenda 4G03 Pro V1.0 V04.03.01.53 Authentication Bypass Issues (by CoreNode) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸