CVE-2026-5527CWE-321

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

Medium · published April 4, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
46.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00571 · 46.5th percentile
Weakness
CWE-321 · Use of Hard-coded Cryptographic Key
Published
2026-04-04T23:15Z
EPSS history
Timeline
  • 04 APR 23:15Z
    Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key
    cvelistv5