High 8.8Published Feb 8, 2026

CVE-2026-2202Tenda AC8 httpd WifiGuestSet fromSetWifiGusetBasic buffer overflow

Updated under an hour ago (Oct 26, 2026, 8:20 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Tenda AC8

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-120, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Feb 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda AC8 tenda:ac8_firmware	16.03.33.05	CNA record
tenda ac8_firmware tenda:ac8_firmware	16.03.33.05	NVD

References

References

https://vuldb.com/?id.344905	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.344905	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.750225	third-party-advisory, vdb-entry
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md	related, exploit, third-party-advisory
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md#poc	exploit, third-party-advisory
https://www.tenda.com.cn/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.