High severity · published Aug 14, 2026
CVE-2026-19790
Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
G0
G0 · Tenda
20260625 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-19790
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-19790
github.com
https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/1.md
vuldb.com
https://vuldb.com/cve/CVE-2026-19790
vuldb.com
https://vuldb.com/submit/868924
vuldb.com
https://vuldb.com/vuln/389757
vuldb.com
https://vuldb.com/vuln/389757/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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