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Vulnerability record · CVE-2026-11522 · published 8 June 2026

CVE-2026-11522: Memory buffer overflow vulnerability

A vulnerability was detected in Tenda W20E 15.11.0.6. This vulnerability affects the function formSetPortMirror of the file /goform/setPortMirror. Performing a manipulation of the argument portMirrorMirroredPorts results in stack-based buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.

7.4 CVSS 4.0 High EPSS 0.47% · top 62.2% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred
7.4CVSS 4.0 base score, v2 9.0
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
23 Jul 2026Last modified by NVD

Description

A vulnerability was detected in Tenda W20E 15.11.0.6. This vulnerability affects the function formSetPortMirror of the file /goform/setPortMirror. Performing a manipulation of the argument portMirrorMirroredPorts results in stack-based buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formSetPortMirror/portMirrorMirroredPorts.md
https://vuldb.com/cve/CVE-2026-11522
https://vuldb.com/submit/836469
https://vuldb.com/vuln/369142
https://vuldb.com/vuln/369142/cti
https://www.tenda.com.cn/

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Source: NIST National Vulnerability Database (record CVE-2026-11522), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.