CVE-2026-3274
Tenda F453 Firmware buffer overflow
- Published27 Feb 2026
Description
A security flaw has been discovered in Tenda F453 1.0.0.3. Affected by this issue is the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.
References
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2026-3274 being actively exploited?
CVE-2026-3274 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.05%.
How severe is CVE-2026-3274?
CVE-2026-3274 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.05% probability of exploitation.
Which products are affected by CVE-2026-3274?
Affected products include Tenda F453 Firmware.
How do I fix CVE-2026-3274?
Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2026-3274 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.