CVE-2025-3820HIGH 8.8EPSS p93.5%

CVE-2025-3820CVE-2025-3820

Description

A vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644) and classified as critical. Affected by this issue is the function cgiSysUplinkCheckSet of the file /bin/httpd. The manipulation of the argument hostIp1/hostIp2 leads to stack-based 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
EPSS7.17% probability of exploitation · percentile 93.5% · 2026-06-18T12:00:27Z
Published2025-04-19
Last modified2025-07-30

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/02Tn/vul/issues/4
  2. https://vuldb.com/?ctiid.305726
  3. https://vuldb.com/?id.305726
  4. https://vuldb.com/?submit.555728
  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.