CVE-2025-70521

CRITICAL
INFO Priority: 0.04 BB Relevance: 80/100
Published: 2026-10-07 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

The management portal's diagnostic ping tool of Fanvil x7a firmware version 2.6.0.1182 does not handle user supplied input securely. The lack of secure user input handling allows any unauthenticated attacker to inject commands and run code in the underlying Android operating system.

Weakness Classification (1)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.43%
Raw Score 0.004260
Percentile 37.4%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00426
2026-11-13
0.00426
2026-11-12
0.00426
2026-11-10
0.00426
2026-11-09
0.00426
2026-11-08
0.00426
2026-11-07
0.00426
2026-11-06
0.00426
2026-11-05
0.00426
2026-11-04
0.00426

Intelligence Sources

nvd ref →