Hardcoded Password Vulnerability in Tenda Firmware
CVE-2025-70802

8.4HIGH

Key Information:

Vendor

Tenda
Status
G1V3.1si
Vendor
CVE Published:
10 March 2026

What is CVE-2025-70802?

The Tenda G1V3.1si Firmware V16.01.7.8 has a severe vulnerability due to the presence of a hardcoded password in the /etc_ro/shadow file. This flaw permits potential attackers to gain unauthorized root access to the device, compromising its security measures. Users and administrators are urged to update their firmware immediately and implement additional security practices to mitigate risks associated with this vulnerability.

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References

https://www.tendacn.com/
https://github.com/vuln-1/vuln/blob/main/Tenda/G1V3.1si_V...

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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