CVE-2025-62844 | QNAP QuRouter up to 2.5.1.060 weak authentication (qsa-26-12 / EUVD-2025-208897)

VDB-352102 · CVE-2025-62844 · QSA-26-12 QNAP QUROUTER UP TO 2.5.1.060 WEAK AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.3 $0-$5k 2.17+ Summaryinfo A vulnerability, which was classified as critical, was found in QNAP QuRouter. This vulnerability affects unknown code. Executing a manipulation can lead to weak authentication. This vulnerability is tracked as CVE-2025-62844. The physical device can be targeted for the attack. No exploit exists. You should upgrade the affected component. Detailsinfo A vulnerability has been found in QNAP QuRouter and classified as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a weak authentication vulnerability. The CWE definition for the vulnerability is CWE-1390. The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes: A weak authentication vulnerability has been reported to affect QHora. If an attacker gains local network access, they can then exploit the vulnerability to gain sensitive information. We have already fixed the vulnerability in the following version: QuRouter 2.6.2.007 and later The weakness was disclosed with Pwn2Own 2025 as qsa-26-12. The advisory is available at qnap.com. This vulnerability was named CVE-2025-62844 since 10/24/2025. The exploitation appears to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. Upgrading to version 2.6.2.007 eliminates this vulnerability. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-208897). Productinfo Type Router Operating System Vendor QNAP Name QuRouter Version 2.4.3.103 2.4.4.106 2.4.5.032 2.4.6.028 2.5.0.140 2.5.1 2.5.1.060 License commercial Website Vendor: https://www.qnap.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 6.6 VulDB Meta Temp Score: 6.3 VulDB Base Score: 6.6 VulDB Temp Score: 6.3 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: Weak authentication CWE: CWE-1390 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: QuRouter 2.6.2.007 Timelineinfo 10/24/2025 CVE reserved 03/20/2026 +147 days Advisory disclosed 03/20/2026 +0 days VulDB entry created 03/20/2026 +0 days VulDB entry last update Sourcesinfo Vendor: qnap.com Advisory: qsa-26-12 Organization: Pwn2Own 2025 Status: Confirmed CVE: CVE-2025-62844 (🔒) GCVE (CVE): GCVE-0-2025-62844 GCVE (VulDB): GCVE-100-352102 EUVD: 🔒 Entryinfo Created: 03/20/2026 17:57 Updated: 03/20/2026 18:57 Changes: 03/20/2026 17:57 (70), 03/20/2026 18:57 (1) Complete: 🔍 Cache ID: 99:07C:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸