CVE-2025-15517 | TP-Link Archer NX200 v1.0 CGI Endpoint missing authentication

VDB-352559 · CVE-2025-15517 · GCVE-0-2025-15517 TP-LINK ARCHER NX200 V1.0 CGI ENDPOINT MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.3 $0-$5k 2.11+ Summaryinfo A vulnerability marked as critical has been reported in TP-Link Archer NX600 v3.0, Archer NX600 v2.0, Archer NX600 v1.0, Archer NX500 v2.0, Archer NX500 v1.0, Archer NX210 v3.0, Archer NX210 v2.0 v2.20, Archer NX200 v3.0, Archer NX200 v2.20, Archer NX200 v2.0 and Archer NX200 v1.0. This impacts an unknown function of the component CGI Endpoint. The manipulation leads to missing authentication. This vulnerability is traded as CVE-2025-15517. Access to the local network is required for this attack to succeed. There is no exploit available. Detailsinfo A vulnerability, which was classified as critical, has been found in TP-Link Archer NX600 v3.0, Archer NX600 v2.0, Archer NX600 v1.0, Archer NX500 v2.0, Archer NX500 v1.0, Archer NX210 v3.0, Archer NX210 v2.0 v2.20, Archer NX200 v3.0, Archer NX200 v2.20, Archer NX200 v2.0 and Archer NX200 v1.0. This issue affects an unknown code of the component CGI Endpoint. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. The summary by CVE is: A missing authentication check in the HTTP server on TP-Link Archer NX200, NX210, NX500 and NX600 to certain cgi endpoints allows unauthenticated access intended for authenticated users. An attacker may perform privileged HTTP actions without authentication, including firmware upload and configuration operations. The weakness was shared by Saifeldeen Aziz. It is possible to read the advisory at tp-link.com. The identification of this vulnerability is CVE-2025-15517 since 01/13/2026. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/23/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor TP-Link Name Archer NX200 v1.0 Archer NX200 v2.0 Archer NX200 v2.20 Archer NX200 v3.0 Archer NX210 v2.0 v2.20 Archer NX210 v3.0 Archer NX500 v1.0 Archer NX500 v2.0 Archer NX600 v1.0 Archer NX600 v2.0 Archer NX600 v3.0 License commercial Website Vendor: https://www.tp-link.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: 6.3 VulDB Meta Temp Score: 6.3 VulDB Base Score: 6.3 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: Missing authentication CWE: CWE-306 / CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially 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 01/13/2026 CVE reserved 03/23/2026 +69 days Advisory disclosed 03/23/2026 +0 days VulDB entry created 03/23/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tp-link.com Advisory: tp-link.com Researcher: Saifeldeen Aziz Status: Not defined CVE: CVE-2025-15517 (🔒) GCVE (CVE): GCVE-0-2025-15517 GCVE (VulDB): GCVE-100-352559 Entryinfo Created: 03/23/2026 20:06 Changes: 03/23/2026 20:06 (65) Complete: 🔍 Cache ID: 99:C99:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸