CVE-2026-5527

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

MEDIUM
5.3
CVSS Score
Published: April 4, 2026 at 11:15 PM UTC
Updated: July 24, 2026 at 09:23 AM UTC
2 products affected across 1 vendor4G03 Pro Firmware4G03 Pro

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/355280
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/355280/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/782053
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-321CWE-320

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