High severity · published Apr 27, 2026
CVE-2026-7101
Tenda F456 httpd WrlclientSet fromWrlclientSet buffer overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may 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)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
F4
F456 · Tenda
1.0.0.5 · source: vendor
FF
F456 Firmware · Tenda
1.0.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7101
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7101
Exploit
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_139/README.md
Third Party Advisory
https://vuldb.com/submit/798474
Third Party Advisory
https://vuldb.com/vuln/359676
Permissions Required
https://vuldb.com/vuln/359676/cti
Product
https://www.tenda.com.cn/
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