CVE-2026-5204HIGH 8.8EPSS p82.5%

CVE-2026-5204CVE-2026-5204

Description

A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component Parameter Handler. This manipulation of the argument webSiteId causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

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
EPSS2.48% probability of exploitation · percentile 82.5% · 2026-06-19T12:03:05Z
Published2026-03-31
Last modified2026-04-02

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_49/README.md
  2. https://vuldb.com/submit/780209
  3. https://vuldb.com/vuln/354332
  4. https://vuldb.com/vuln/354332/cti
  5. https://www.tenda.com.cn/

3

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live
WeaknessOut-of-bounds Writecwe-7870%live

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