What is the CVSS score of CVE-2025-70802?

CVE-2025-70802 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Tenda are affected by CVE-2025-70802?

Tenda G1V3.1si routers (firmware V16.01.7.8) contain a hardcoded root password vulnerability that allows unauthenticated remote attackers to gain complete administrative control.

How to fix or mitigate CVE-2025-70802?

Within 24 hours: Identify all Tenda G1V3.1si devices in your network and isolate them from production environments or implement emergency network segmentation. Within 7 days: Contact Tenda support for emergency patching information and evaluate replacement hardware if patches remain unavailable. Within 30 days: Complete replacement or retirement of affected devices; if retention is necessary, implement strict network access controls, disable remote management, and deploy continuous network monitoring for suspicious access patterns.

Tenda CVE-2025-70802

HIGH

Use of Hard-coded Password (CWE-259)

2026-03-10 cve@mitre.org

Authentication Bypass Tenda

8.4

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Mar 10, 2026 - 21:16 nvd

HIGH 8.4

DescriptionNVD

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.

AnalysisAI

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. [CVSS 8.4 HIGH]

Technical ContextAI

Classified as CWE-259 (Use of Hard-coded Password). 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.

RemediationAI

Monitor vendor advisories for a patch.

CVE-2025-70802 vulnerability details – vuln.today

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Tenda CVE-2025-70802

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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