CVE-2025-5839HIGH 8.8EPSS p50.4%

CVE-2025-5839CVE-2025-5839

Description

A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

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
EPSS0.76% probability of exploitation · percentile 50.4% · 2026-06-19T12:03:05Z
Published2025-06-07
Last modified2025-06-09

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://candle-throne-f75.notion.site/Tenda-AC9-fromadvsetlanip-20adf0aa11858027b7c3c2f4e44bb867
  2. https://vuldb.com/?ctiid.311582
  3. https://vuldb.com/?id.311582
  4. https://vuldb.com/?submit.591369
  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.