CVE-2026-4903

HIGH

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.

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 3/26/2026Modified: 3/31/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-4903 — A flaw has been found in Tenda AC5 15.03.06.47. This vulnerability affects the f...

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.

CVE-2026-4903
NIST NVD

References (5)

https://lavender-bicycle-a5a.notion.site/Tenda_AC5_QuickIndex_PPPOEPassword-32053a41781f808dae98f99c99bcb21c?source=copy_linkExploitThird Party Advisoryhttps://vuldb.com/?ctiid.353654Permissions RequiredVDB Entryhttps://vuldb.com/?id.353654Third Party AdvisoryVDB Entryhttps://vuldb.com/?submit.777380Third Party AdvisoryVDB Entryhttps://www.tenda.com.cn/Product