High severity · published Apr 5, 2026
CVE-2026-5547
Tenda AC10 httpd formAddMacfilterRule os command injection
8.8
CVSS
2.1%
EPSS
No
On KEV
Description
A vulnerability has been found in Tenda AC10 16.03.10.10_multi_TDE01. Affected is the function formAddMacfilterRule of the file /bin/httpd. Such manipulation leads to os command injection. It is possible to launch the attack remotely. Multiple endpoints might be affected.
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)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC10 · Tenda
16.03.10.10_multi_TDE01 · source: vendor
AF
Ac10 Firmware · Tenda
16.03.10.10_multi_tde01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5547
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5547
Third Party Advisory
https://github.com/somanyerrors/tenda-ac10v4-vulnerabilities/blob/main/findings/CRITICAL-03-command-injection-formaddmacfilterrule.md
Third Party Advisory
https://vuldb.com/submit/782296
Third Party Advisory
https://vuldb.com/vuln/355311
Permissions Required
https://vuldb.com/vuln/355311/cti
Product
https://www.tenda.com.cn/
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