CVE-2026-2202

Name: CVE-2026-2202
Creator: NVD / NIST
Published: 2026-02-09T03:16:13.59+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2026-2202 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may 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

0.62%

45.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac8 Firmware	16.03.33.05

References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.mdExploit, Third Party Advisory
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md#pocExploit, Third Party Advisory
https://vuldb.com/?ctiid.344905Permissions Required, VDB Entry
https://vuldb.com/?id.344905Third Party Advisory, VDB Entry
https://vuldb.com/?submit.750225Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Feb 9, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2202?

How severe is CVE-2026-2202?

CVE-2026-2202 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2202?

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-2026-2202?

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

Scan your code now

Source: NVD / NIST