CVE-2026-31846 | Nexxt Solutions Nebula 300+ up to 12.01.01.37 HTTP /goform/ate missing authentication (EUVD-2026-14402)

VDB-352505 · CVE-2026-31846 · EUVD-2026-14402 NEXXT SOLUTIONS NEBULA 300+ UP TO 12.01.01.37 HTTP /GOFORM/ATE MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.4 $0-$5k 4.43+ Summaryinfo A vulnerability classified as critical has been found in Nexxt Solutions Nebula 300+ up to 12.01.01.37. Affected is an unknown function of the file /goform/ate of the component HTTP Handler. The manipulation leads to missing authentication. This vulnerability is referenced as CVE-2026-31846. The attack needs to be initiated within the local network. No exploit is available. Detailsinfo A vulnerability, which was classified as critical, has been found in Nexxt Solutions Nebula 300+ up to 12.01.01.37. This issue affects some unknown processing of the file /goform/ate of the component HTTP Handler. 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. The summary by CVE is: An unauthenticated credential disclosure vulnerability in the /goform/ate endpoint of Nexxt Solutions Nebula 300+ firmware through Nebula300+_v12.01.01.37 allows an adjacent attacker to obtain the administrator password in Base64-encoded form via a crafted HTTP request. The recovered credential can be used to authenticate to the device and facilitates further compromise when combined with other weaknesses present in the firmware. The weakness was published by Angel Barre. The advisory is shared at nexxtsolutions.com. The identification of this vulnerability is CVE-2026-31846 since 03/09/2026. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-14402). Productinfo Vendor Nexxt Solutions Name Nebula 300+ Version 12.01.01.0 12.01.01.1 12.01.01.2 12.01.01.3 12.01.01.4 12.01.01.5 12.01.01.6 12.01.01.7 12.01.01.8 12.01.01.9 12.01.01.10 12.01.01.11 12.01.01.12 12.01.01.13 12.01.01.14 12.01.01.15 12.01.01.16 12.01.01.17 12.01.01.18 12.01.01.19 12.01.01.20 12.01.01.21 12.01.01.22 12.01.01.23 12.01.01.24 12.01.01.25 12.01.01.26 12.01.01.27 12.01.01.28 12.01.01.29 12.01.01.30 12.01.01.31 12.01.01.32 12.01.01.33 12.01.01.34 12.01.01.35 12.01.01.36 12.01.01.37 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: 5.4 VulDB Meta Temp Score: 5.4 VulDB Base Score: 4.3 VulDB Temp Score: 4.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.5 CNA Vector (TuranSec): 🔒 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: 🔍 NVD Base Score: 🔒 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 03/09/2026 CVE reserved 03/23/2026 +14 days Advisory disclosed 03/23/2026 +0 days VulDB entry created 03/23/2026 +0 days VulDB entry last update Sourcesinfo Advisory: nexxtsolutions.com Researcher: Angel Barre Status: Not defined CVE: CVE-2026-31846 (🔒) GCVE (CVE): GCVE-0-2026-31846 GCVE (VulDB): GCVE-100-352505 EUVD: 🔒 Entryinfo Created: 03/23/2026 13:56 Updated: 03/23/2026 15:48 Changes: 03/23/2026 13:56 (83), 03/23/2026 15:48 (1) Complete: 🔍 Cache ID: 99:382:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸