VDB-396433 · CVE-2026-73839 · GCVE-0-2026-73839

Ebyte NE2-D11 FW-9167-0-11 Management Interface missing encryption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.74

Summaryinfo

A vulnerability identified as problematic has been detected in Ebyte NE2-D11 FW-9167-0-11. This issue affects some unknown processing of the component Management Interface. This manipulation causes missing encryption. This vulnerability appears as CVE-2026-73839. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Ebyte NE2-D11 FW-9167-0-11. Affected by this vulnerability is some unknown functionality of the component Management Interface. The manipulation with an unknown input leads to a missing encryption vulnerability. The CWE definition for the vulnerability is CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. As an impact it is known to affect confidentiality. The summary by CVE is:

Administrative credentials may be exposed in plaintext within the Ebyte device's management interface, increasing the risk of credential compromise through visual or remote observation. This undermines the confidentiality of device access.

The advisory is shared at cisa.gov. This vulnerability is known as CVE-2026-73839 since 08/20/2026. The exploitation appears to be difficult. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Ebyte

Name

NE2-D11

Version

FW-9167-0-11

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: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.6
CNA Vector (icscert): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

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 encryption
CWE: CWE-311 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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

08/20/2026 CVE reserved
08/27/2026 +7 days VulDB entry created
08/28/2026 +0 days Advisory disclosed
08/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: cisa.gov
Status: Not defined

CVE: CVE-2026-73839 (🔒)
GCVE (CVE): GCVE-0-2026-73839
GCVE (VulDB): GCVE-100-396433

Entryinfo

Created: 08/28/2026 01:51
Changes: 08/28/2026 01:51 (73)
Complete: 🔍
Cache ID: 216::103