CVE-2026-2874HIGH 8.8EPSS p42.5%

CVE-2026-2874CVE-2026-2874

Description

A flaw has been found in Tenda A21 1.0.0.0. Impacted is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. Executing a manipulation of the argument ssid can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published 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
EPSS0.57% probability of exploitation · percentile 42.5% · 2026-06-19T12:03:05Z
Published2026-02-21
Last modified2026-02-23

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/QIU-DIE/cve-nneeww/issues/5
  2. https://vuldb.com/?ctiid.347111
  3. https://vuldb.com/?id.347111
  4. https://vuldb.com/?submit.754636
  5. https://www.tenda.com.cn/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live

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