High severity · published Jun 8, 2026
CVE-2026-11557
Tenda F451 Web Management Natlimit fromNatlimit stack-based overflow
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
A weakness has been identified in Tenda F451 1.0.0.7/1.0.0.9. The affected element is the function fromNatlimit of the file /goform/Natlimit of the component Web Management Interface. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
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)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
F4
F451 · Tenda
1.0.0.7; 1.0.0.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11557
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11557
github.com
https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/fromNatlimit/fromNatlimit.md
vuldb.com
https://vuldb.com/cve/CVE-2026-11557
vuldb.com
https://vuldb.com/submit/836477
vuldb.com
https://vuldb.com/vuln/369167
vuldb.com
https://vuldb.com/vuln/369167/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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