High severity · published Feb 25, 2026
CVE-2026-3166
A vulnerability was identified in Tenda F453 1.0.0.3
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda F453 1.0.0.3. The affected element is the function fromRouteStatic of the file /goform/RouteStatic of the component httpd. Such manipulation of the argument page leads to buffer overflow. The attack can be launched 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)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
F453 Firmware · Tenda
1.0.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3166
Exploit
https://github.com/Litengzheng/vul_db/blob/main/F453/vul_65/README.md
Permissions Required
https://vuldb.com/?ctiid.347673
Third Party Advisory
https://vuldb.com/?id.347673
Third Party Advisory
https://vuldb.com/?submit.759589
Product
https://www.tenda.com.cn/
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