FKIE_CVE-2026-4903

Vulnerability from fkie_nvd - Published: 2026-03-26 23:16 - Updated: 2026-03-31 21:08
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
cna@vuldb.comhttps://lavender-bicycle-a5a.notion.site/Tenda_AC5_QuickIndex_PPPOEPassword-32053a41781f808dae98f99c99bcb21c?source=copy_linkExploit, Third Party Advisory
cna@vuldb.comhttps://vuldb.com/?ctiid.353654Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.353654Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.777380Third Party Advisory, VDB Entry
cna@vuldb.comhttps://www.tenda.com.cn/Product
Impacted products
Vendor Product Version
tenda ac5_firmware 15.03.06.47
tenda ac5 1.0
To clipboard 

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  "id": "CVE-2026-4903",
  "lastModified": "2026-03-31T21:08:06.830",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.