Critical severity · published Jun 19, 2026
CVE-2026-51845
Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the mac parameter
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the mac parameter.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac7 Firmware · Tenda
15.03.06.44 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-51845
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-51845
Exploit
https://www.kdev.site/cve-request_007/
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9.8
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A vulnerability was determined in Tenda AC7 15.03.06.44