High severity · published Sep 28, 2025
CVE-2025-11123
Tenda AC18 saveAutoQos stack-based overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A flaw has been found in Tenda AC18 15.03.05.19. This impacts an unknown function of the file /goform/saveAutoQos. This manipulation of the argument enable causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may 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)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC18 · Tenda
15.03.05.19 · source: vendor
AF
Ac18 Firmware · Tenda
15.03.05.19 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11123
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11123
Exploit
https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.md
Exploit
https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.md#poc
Permissions Required
https://vuldb.com/?ctiid.326204
Third Party Advisory
https://vuldb.com/?id.326204
Third Party Advisory
https://vuldb.com/?submit.664197
Product
https://www.tenda.com.cn/
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