CVE-2025-11327

Tenda AC18 SetUpnpCfg stack-based overflow

Published Oct 6, 2025 CVSS 4.0 · 8.7 High EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-32520 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:o:tenda:ac18_firmware:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Tenda ac18 Firmware
CPEs cpe:2.3:h:tenda:ac18:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac18_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:*
Vendors & Products Tenda ac18 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tenda
Tenda ac18
Vendors & Products Tenda
Tenda ac18
Type Values Removed Values Added
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.
Title Tenda AC18 SetUpnpCfg stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 24, 2026, 6:44 AM
Reserved
Oct 5, 2025, 2:23 PM
Status
Analyzed
Published
Oct 6, 2025, 8:15 AM
Modified
Oct 9, 2026, 10:10 AM