CVE-2026-5527 — MEDIUM (5.3)

Vulnerability 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.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Tenda	4G03 Pro Firmware	04.03.01.53
Tenda	4G03 Pro	1.0

Related Weaknesses (CWE)

CWE-320 CWE-321

References

https://vuldb.com/submit/782053Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355280Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355280/ctiPermissions RequiredVDB Entry
https://www.tenda.com.cn/Product

FAQ

What is CVE-2026-5527?

CVE-2026-5527 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 Pri...

How severe is CVE-2026-5527?

CVE-2026-5527 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5527?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda 4G03 Pro Firmware, Tenda 4G03 Pro.