High severity · published Apr 20, 2026
CVE-2026-6632
Tenda F451 httpd SafeClientFilter fromSafeClientFilter buffer overflow
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda F451 1.0.0.7_cn_svn7958. The affected element is the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component httpd. The manipulation of the argument menufacturer/Go leads to buffer overflow. Remote exploitation of the attack is possible. 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)0.4% · higher than 39% 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_cn_svn7958 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6632
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6632
github.com
https://github.com/Jimi-Lab/cve/issues/26
vuldb.com
https://vuldb.com/submit/792905
vuldb.com
https://vuldb.com/vuln/358266
vuldb.com
https://vuldb.com/vuln/358266/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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