CVE-2026-2870HIGH 8.8EPSS p43.4%

CVE-2026-2870CVE-2026-2870

Description

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function set_qosMib_list of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may 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
EPSS0.59% probability of exploitation · percentile 43.4% · 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/1
  2. https://vuldb.com/?ctiid.347107
  3. https://vuldb.com/?id.347107
  4. https://vuldb.com/?submit.754627
  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

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-2871
CVE
CVE-2026-4492
CVE
CVE-2026-4565
CVE
CVE-2026-2872
CVE
CVE-2026-2874
CVE
CVE-2026-2886
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.