High severity · published Oct 6, 2025
CVE-2025-11327
A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318)
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly 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)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac18 Firmware · Tenda
15.03.05.19(6318) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11327
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11327
Exploit
https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/SetUpnpCfg.md
Permissions Required
https://vuldb.com/?ctiid.327210
Third Party Advisory
https://vuldb.com/?id.327210
Third Party Advisory
https://vuldb.com/?submit.664532
Product
https://www.tenda.com.cn/
More from Ac18 Firmware
10.0
CVE-2026-82695
Tenda AC18 Telnet telnet missing authentication
9.8
CVE-2026-31255
A command injection vulnerability exists in Tenda AC18 V15.03.05.05_multi
9.8
CVE-2025-5606
A vulnerability was found in Tenda AC18 15.03.05.05
9.8
CVE-2024-57583
Tenda AC18 V15.03.05.19 was discovered to contain a command injection vulnerability via the usbName parameter in the formSetSambaConf function
9.8
CVE-2024-57582
Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the startIP parameter in the formSetPPTPServer function
