High severity · published May 31, 2026
CVE-2026-10191
Tenda W12 httpd cgiWifiMacFilterSet stack-based overflow
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability was determined in Tenda W12 3.0.0.7(4763). Impacted is the function cgiWifiMacFilterSet of the file /bin/httpd. This manipulation of the argument wifiMacFilterSet.macList.mac causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.
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 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
W12 · Tenda
3.0.0.7(4763) · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10191
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10191
cdn2.v50to.cc
http://cdn2.v50to.cc/cgiWifiMacFilterSet_overflow.zip
vuldb.com
https://vuldb.com/cve/CVE-2026-10191
vuldb.com
https://vuldb.com/submit/820023
vuldb.com
https://vuldb.com/vuln/367472
vuldb.com
https://vuldb.com/vuln/367472/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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