EUVD-2026-19003

| CVE-2026-5527 MEDIUM
2026-04-04 VulDB GHSA-pgjq-fxv2-9p7v
5.5
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Apr 04, 2026 - 23:30 vuln.today
EUVD ID Assigned
Apr 04, 2026 - 23:30 euvd
EUVD-2026-19003
CVE Published
Apr 04, 2026 - 23:15 nvd
MEDIUM 5.5

Tags

Tenda Information Disclosure

Description

A weakness has been identified in Tenda 4G03 Pro 1.0/1.0re/01.bin/04.03.01.53. Affected by this issue is some unknown functionality of the file /etc/www/pem/server.key of the component ECDSA P-256 Private Key Handler. This manipulation causes use of hard-coded cryptographic key . It is possible to initiate the attack remotely.

Analysis

Tenda 4G03 Pro wireless router contains a hard-coded ECDSA P-256 private cryptographic key in the /etc/www/pem/server.key file, enabling remote attackers to decrypt HTTPS communications and potentially impersonate the device without authentication. The vulnerability affects firmware versions 1.0, 1.0re, 01.bin, and 04.03.01.53, and carries a CVSS score of 5.3 with proof-of-concept exploitation likely (E:P rating). …

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Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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EUVD-2026-19003 vulnerability details – vuln.today
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