CVE-2026-30704 | Yipu/Yeapoo WDR201A UART Interface Local Privilege Escalation

VDB-351602 · CVE-2026-30704 · GCVE-0-2026-30704 YIPU/YEAPOO WDR201A UART INTERFACE LOCAL PRIVILEGE ESCALATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.8 $0-$5k 0.70+ Summaryinfo A vulnerability was found in Yipu/Yeapoo WDR201A. It has been declared as problematic. This impacts an unknown function of the component UART Interface. Such manipulation leads to Local Privilege Escalation. This vulnerability is uniquely identified as CVE-2026-30704. The attack can be executed directly on the physical device. No exploit exists. Detailsinfo A vulnerability was found in Yipu/Yeapoo WDR201A (version now known). It has been rated as problematic. Affected by this issue is some unknown processing of the component UART Interface. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. CVE summarizes: The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through accessible hardware pads on the PCB This vulnerability is handled as CVE-2026-30704 since 03/04/2026. The exploitation is known to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor Yeapoo Yipu Name WDR201A CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.8 VulDB Meta Temp Score: 3.8 VulDB Base Score: 3.8 VulDB Temp Score: 3.8 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: Local Privilege Escalation CWE: Unknown CAPEC: 🔒 ATT&CK: 🔒 Physical: Yes Local: Yes Remote: No Availability: 🔒 Status: Not defined 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 03/04/2026 CVE reserved 03/18/2026 +14 days Advisory disclosed 03/18/2026 +0 days VulDB entry created 03/18/2026 +0 days VulDB entry last update Sourcesinfo Status: Not defined CVE: CVE-2026-30704 (🔒) GCVE (CVE): GCVE-0-2026-30704 GCVE (VulDB): GCVE-100-351602 Entryinfo Created: 03/18/2026 20:03 Changes: 03/18/2026 20:03 (49) Complete: 🔍 Cache ID: 99:AC1:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸