High severity · published Mar 1, 2026
CVE-2026-3399
Tenda F453 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow
8.8
CVSS
3.7%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. The manipulation of the argument dips leads to buffer overflow. The attack may be initiated 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)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
F4
F453 · Tenda
1.0.0.3 · source: vendor
FF
F453 Firmware · Tenda
1.0.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3399
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3399
Exploit
https://github.com/Litengzheng/vul_db/blob/main/F453/vul_83/README.md
Permissions Required
https://vuldb.com/?ctiid.348294
Third Party Advisory
https://vuldb.com/?id.348294
Third Party Advisory
https://vuldb.com/?submit.759631
Product
https://www.tenda.com.cn/
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