Vulnerability Monitor

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CVE-2025-8939


A vulnerability was determined in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/WifiGuestSet. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.


Published

2025-08-14T06:15:28.913

Last Modified

2025-08-19T18:35:22.420

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-119
    CWE-120

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System tenda ac20_firmware ≤ 16.03.08.12 Yes
Hardware tenda ac20 - No

References