High severity · published Apr 12, 2026
CVE-2026-6123
Tenda F451 httpd addressNat fromAddressNat stack-based overflow
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability was found in Tenda F451 1.0.0.7. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Performing a manipulation of the argument entrys results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could 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)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
F4
F451 · Tenda
1.0.0.7 · source: vendor
FF
F451 Firmware · Tenda
1.0.0.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6123
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6123
Broken Link
https://github.com/Jimi-Lab/cve/issues/15
Third Party Advisory
https://vuldb.com/submit/792873
Third Party Advisory
https://vuldb.com/submit/792879
Third Party Advisory
https://vuldb.com/vuln/356986
Permissions Required
https://vuldb.com/vuln/356986/cti
Product
https://www.tenda.com.cn/
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