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CVE-2026-4960: A vulnerability was determined in Tenda AC6 15.03.05.16

50
This month
HIGH 8.8MITIGATE

CVE-2026-4960 is a high-severity flaw (CVSS 8.8) affecting ac6 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was determined in Tenda AC6 15.03.05.16. Affected is the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

Why this priority

  • High severity
  • Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.8% (top 44%)
CISA exploited listNo
WeaknessCWE-119, CWE-121, CWE-787
Published2026-03-27
Last modified2026-10-26
Publisher (CNA): VulDB · Vendor: tenda

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

tenda ac6 firmware MITIGATE
Affected: 15.03.05.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 15.03.05.16
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-4960?

ac6 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-4960 being exploited?

CVE-2026-4960 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-2026-4960 affect?

CVE-2026-4960 affects ac6 firmware. Severity is high (CVSS 8.8). A vulnerability was determined in Tenda AC6 15.03.05.16. Affected is the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-

How urgent is CVE-2026-4960?

Priority 50/100. High severity; Public exploit reference

Related CVEs

References

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