CVE-2026-3273

Name: CVE-2026-3273
Creator: NVD / NIST
Published: 2026-02-27T01:16:21.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2026-3273 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component httpd. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

A vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component httpd. Such manipulation of the argument mit_ssid_index leads to buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

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

0.63%

45.7th 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_73/README.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.347997Permissions Required, VDB Entry
https://vuldb.com/?id.347997Third Party Advisory, VDB Entry
https://vuldb.com/?submit.759606Third 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-2026-3273?

How severe is CVE-2026-3273?

CVE-2026-3273 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3273?

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-2026-3273?

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

Scan your code now

Source: NVD / NIST