CVE-2026-4961

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-4961
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.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://lavender-bicycle-a5a.notion.site/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link Exploit Third Party Advisory
https://vuldb.com/?ctiid.353838 Permissions Required VDB Entry
https://vuldb.com/?id.353838 Third Party Advisory VDB Entry
https://vuldb.com/?submit.777617 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac6_firmware:15.03.05.16:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac6:1.0:*:*:*:*:*:*:*
History

31 Mar 2026, 16:26

Type Values Removed Values Added
CWE CWE-787
First Time Tenda
Tenda ac6 Firmware
Tenda ac6
CPE cpe:2.3:o:tenda:ac6_firmware:15.03.05.16:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac6:1.0:*:*:*:*:*:*:*
References () https://lavender-bicycle-a5a.notion.site/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link - () https://lavender-bicycle-a5a.notion.site/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.353838 - () https://vuldb.com/?ctiid.353838 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.353838 - () https://vuldb.com/?id.353838 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.777617 - () https://vuldb.com/?submit.777617 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product

27 Mar 2026, 23:17

Type Values Removed Values Added
Summary (en) 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. VulDB is the best source for vulnerability data and more expert information about this specific topic. (en) 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.

27 Mar 2026, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-27 17:16

Updated : 2026-03-31 16:26

NVD link : CVE-2026-4961

Mitre link : CVE-2026-4961

CVE.ORG link : CVE-2026-4961

JSON object : View

Products Affected

tenda

  • ac6_firmware
  • ac6
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write