CVE-2025-14656HIGH 8.8EPSS p45.5%

CVE-2025-14656CVE-2025-14656

Description

A weakness has been identified in Tenda AC20 16.03.08.12. This affects the function httpd of the file /goform/openSchedWifi. Executing a manipulation of the argument schedStartTime/schedEndTime can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.63% probability of exploitation · percentile 45.5% · 2026-06-19T12:03:05Z
Published2025-12-14
Last modified2026-02-24

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN14/AC20_openSchedWifi.md
  2. https://vuldb.com/?ctiid.336389
  3. https://vuldb.com/?id.336389
  4. https://vuldb.com/?submit.712917
  5. https://www.tenda.com.cn/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.