High 8.8Published Aug 14, 2026

CVE-2026-19789Tenda AC1206 httpd web management interface WifiGuestSet set_wl_guest_iplist stack-based overflow

Updated under an hour ago (2026-10-19 10:00 UTC)

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It affects Tenda AC1206. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Tenda AC1206

Exploited in the last 30 days

A vulnerability was determined in Tenda AC1206 15.03.06.23_multi_TD01. This vulnerability affects the function set_wl_guest_iplist of the file /goform/WifiGuestSet of the component httpd web management interface. This manipulation of the argument shareSpeed causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

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-121, 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: Deferred
Record last updated: Aug 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda AC1206 tenda:ac1206_firmware	15.03.06.23_multi_TD01	CNA record

References

https://vuldb.com/vuln/389756vdb-entry, technical-description
https://vuldb.com/vuln/389756/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-19789third-party-advisory
https://vuldb.com/submit/868921third-party-advisory
https://github.com/lipenghai/iot_bug/blob/main/Tenda/AC12/2.mdexploit
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.