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8.4
Tenda G1V3.1si Router Has Hardcoded Admin Password
CVE-2025-70802
Summary
The Tenda G1V3.1si router's password is hardcoded, allowing unauthorized access to the admin account. This makes it easy for attackers to gain control of the router. Update to the latest firmware to resolve this issue.
Original title
Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.
Original description
Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.
Vulnerability type
CWE-259
Published: 10 Mar 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026