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Vulnerabilities

Vulnerability · CVE-2026-6015

A vulnerability has been found in Tenda AC9 15.03.02.13.

Published Apr 10, 2026 · catalog updated Jun 17, 2026 · ac9 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-6015. EPSS is 1.01%. Act only if a listed version of ac9 firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.01%
Remediation
Advisory link
Affected products
cpe tenda/ac9 firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe tenda/ac9 firmware15.03.02.13

How to fix CVE-2026-6015

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-6015. EPSS is 1.01%. Act only if a listed version of ac9 firmware is installed.

Which versions are affected?

Compare what you have installed with tenda/ac9 firmware 15.03.02.13. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-119: Buffer Overflow; CWE-121: Stack-based Buffer Overflow. EPSS 1.01%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 10, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-6015

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-6015

    30-day exploitation probability 1.0%

    first.org
  • NIST NVDVulnerability recordCVE-2026-6015

    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 th

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.