CVE-2026-3274

Name: CVE-2026-3274
Creator: NVD / NIST
Published: 2026-02-27T02:16:20.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2026-3274 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	F453 Firmware	1.0.0.3

References

https://github.com/Litengzheng/vul_db/blob/main/F453/vul_74/README.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.347998Permissions Required, VDB Entry
https://vuldb.com/?id.347998Third Party Advisory, VDB Entry
https://vuldb.com/?submit.759621Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Feb 27, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3274?

How severe is CVE-2026-3274?

CVE-2026-3274 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3274?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3274?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST