CVE-2026-5527
Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key
- State
- Published
- Severity
- 6.9 Medium
- Published
- Apr 4, 2026
- Updated
- Apr 6, 2026
- Reserved
- Apr 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
4G03 ProTenda |
|
References
- VDB-355280 | Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded keyvdb-entry
- VDB-355280 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #782053 | Tenda 4G03 Pro V1.0 V04.03.01.53 Cryptographic Issuesthird-party-advisory
- https://www.tenda.com.cn/product
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