High severity · published Feb 25, 2026
CVE-2026-3167
Tenda F453 httpd webtypelibrary formWebTypeLibrary buffer overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A security flaw has been discovered in Tenda F453 1.0.0.3. The impacted element is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component httpd. Performing a manipulation of the argument webSiteId results in buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may 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)0.7% · higher than 54% 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-2026-3167
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3167
Exploit
https://github.com/Litengzheng/vul_db/blob/main/F453/vul_66/README.md
Permissions Required
https://vuldb.com/?ctiid.347674
Third Party Advisory
https://vuldb.com/?id.347674
Third Party Advisory
https://vuldb.com/?submit.759594
Product
https://www.tenda.com.cn/
More from F453
8.8
CVE-2026-3169
Tenda F453 httpd SafeEmailFilter fromSafeEmailFilter buffer overflow
8.8
CVE-2026-3168
Tenda F453 httpd NatStaticSetting fromNatStaticSetting buffer overflow
8.8
CVE-2026-3166
Tenda F453 httpd RouteStatic fromRouteStatic buffer overflow
8.8
CVE-2026-3165
Tenda F453 httpd AdvSetWrlsafeset fromSetWifiGusetBasic buffer overflow