CVE-2026-5527

MEDIUM

Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key

Title source: cna

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.

References (4)

[Vdb Entry] https://vuldb.com/vuln/355280

[Signature, Permissions Required] https://vuldb.com/vuln/355280/cti

[Third Party Advisory] https://vuldb.com/submit/782053

[Product] https://www.tenda.com.cn/

Scores

CVSS v3 5.3

EPSS 0.0001

EPSS Percentile 1.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-320 CWE-321

Status published

Products (4)

Tenda/4G03 Pro 01.bin

Tenda/4G03 Pro 04.03.01.53

Tenda/4G03 Pro 1.0

Tenda/4G03 Pro 1.0re

Published Apr 05, 2026

Tracked Since Apr 05, 2026