PT-2026-28687 · Tenda · Tenda Ac6

Wxhwxhwxh_Mie · Published 2026-03-27 · Updated 2026-03-27 · CVE-2026-4961

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda AC6 version 15.03.05.16

Description A flaw exists in the Tenda AC6 device that allows for a stack-based buffer overflow. This occurs through the manipulation of the PPPOEPassword argument within the formQuickIndex function, located in the file /goform/QuickIndex, via a POST request handler. The issue is remotely exploitable and a public exploit is available.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the /goform/QuickIndex file. Avoid using the PPPOEPassword parameter in the affected function until the issue is resolved.

Exploit

Fix

Memory Corruption

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-787

CWE-119

CWE-121

Related Identifiers

CVE-2026-4961

Affected Products

Tenda Ac6

References · 7

• 🔥 https://lavender-bicycle-a5a.notion.site/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4961 · Security Note
• https://tenda.com.cn · Note
• https://vuldb.com/?id.353838 · Note
• https://twitter.com/CveFindCom/status/2037586130845966713 · Twitter Post
• https://vuldb.com/?submit.777617 · Note
• https://vuldb.com/?ctiid.353838 · Note