CVE-2026-5527

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://vuldb.com/submit/782053	Third Party Advisory VDB Entry
https://vuldb.com/vuln/355280	Third Party Advisory VDB Entry
https://vuldb.com/vuln/355280/cti	Permissions Required VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:4g03_pro_firmware:04.03.01.53:*:*:*:*:*:*:*

cpe:2.3:h:tenda:4g03_pro:1.0:*:*:*:*:*:*:*

History

30 Apr 2026, 13:35

Type	Values Removed	Values Added
References	~~() https://vuldb.com/submit/782053 -~~	() https://vuldb.com/submit/782053 - Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/vuln/355280 -~~	() https://vuldb.com/vuln/355280 - Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/vuln/355280/cti -~~	() https://vuldb.com/vuln/355280/cti - Permissions Required, VDB Entry
References	~~() https://www.tenda.com.cn/ -~~	() https://www.tenda.com.cn/ - Product
CPE		cpe:2.3:h:tenda:4g03_pro:1.0:::::::* cpe:2.3:o:tenda:4g03_pro_firmware:04.03.01.53:::::::*
First Time		Tenda Tenda 4g03 Pro Tenda 4g03 Pro Firmware

05 Apr 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-05 00:16

Updated : 2026-04-30 13:35

NVD link : CVE-2026-5527

Mitre link : CVE-2026-5527

CVE.ORG link : CVE-2026-5527

JSON object : View

Products Affected

tenda

4g03_pro
4g03_pro_firmware

CWE

CWE-320

Key Management Errors

CWE-321

Use of Hard-coded Cryptographic Key

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