High severity · published Apr 26, 2026
CVE-2026-7056
Tenda F456 httpd SafeUrlFilter fromSafeUrlFilter buffer overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability was detected in Tenda F456 1.0.0.5. Impacted is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be performed from remote. The exploit is now 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 50% 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-2026-7056
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7056
Exploit
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_127/README.md
Third Party Advisory
https://vuldb.com/submit/798458
Third Party Advisory
https://vuldb.com/submit/798462
Third Party Advisory
https://vuldb.com/vuln/359629
Permissions Required
https://vuldb.com/vuln/359629/cti
Product
https://www.tenda.com.cn/
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