CVE-2026-6015

Tenda AC9 POST Request QuickIndex formQuickIndex stack-based overflow

HIGH
8.8
CVSS Score
Published: April 10, 2026 at 04:45 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorAC9 Firmware· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

A vulnerability has been found in Tenda AC9 15.03.02.13. Impacted is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. Such manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/356571
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/356571/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/791828
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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