CVE-2026-4903HIGH 8.8EPSS p55.5%

CVE-2026-4903CVE-2026-4903

Description

A flaw has been found in Tenda AC5 15.03.06.47. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. This manipulation of the argument PPPOEPassword causes stack-based buffer overflow. The attack may be initiated 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
EPSS0.92% probability of exploitation · percentile 55.5% · 2026-06-19T12:03:05Z
Published2026-03-26
Last modified2026-03-31

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://lavender-bicycle-a5a.notion.site/Tenda_AC5_QuickIndex_PPPOEPassword-32053a41781f808dae98f99c99bcb21c?source=copy_link
  2. https://vuldb.com/?ctiid.353654
  3. https://vuldb.com/?id.353654
  4. https://vuldb.com/?submit.777380
  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

Related by meaning· 6

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

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CVE-2026-4961
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CVE-2026-6015
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CVE-2026-4905
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CVE-2026-4904
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CVE-2026-4902
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CVE-2026-3727
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.