PatchTheCVECVE-2026-6015: A vulnerability has been found in Tenda AC9 15.03.02.13
CVE-2026-6015 is a high-severity flaw (CVSS 8.8) affecting ac9 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-6015?
ac9 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-6015 being exploited?
CVE-2026-6015 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-6015 affect?
CVE-2026-6015 affects ac9 firmware. Severity is high (CVSS 8.8). 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 buff
How urgent is CVE-2026-6015?
Priority 50/100. High severity; Public exploit reference
Related CVEs
- CVE-2026-6016 HIGH 8.8 MITIGATE A vulnerability was found in Tenda AC9 15.03.02.13