CVE-2025-11327

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 4.0

7.4CVSS: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

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-121

Published

2025-10-06

Modified

2026-10-09

Record from

the NVD, synced 2026-10-19

Affected

• tenda:ac18_firmware

References

• https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/SetUpnpCfg.md
• https://vuldb.com/?ctiid.327210
• https://vuldb.com/?id.327210
• https://vuldb.com/?submit.664532
• https://www.tenda.com.cn/

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