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Description

A vulnerability was identified in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

PUBLISHED Reserved 2026-03-27 | Published 2026-03-27 | Updated 2026-03-27 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

15.03.05.16
affected

Timeline

2026-03-27:Advisory disclosed
2026-03-27:VulDB entry created
2026-03-27:VulDB entry last update

Credits

wxhwxhwxh_mie (VulDB User) reporter

References

vuldb.com/?id.353838 (VDB-353838 | Tenda AC6 POST Request QuickIndex formQuickIndex stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.353838 (VDB-353838 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.777617 (Submit #777617 | Tenda AC6 AC6 V1.0 V15.03.05.16 Buffer Overflow) third-party-advisory

lavender-bicycle-a5a.notion.site/...9ec80cf?source=copy_link exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-4961)

nvd.nist.gov (CVE-2026-4961)

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