Cyber Resilience

CVE-2026-13582

High

Published: 29 June 2026

Published
29 June 2026
Modified
29 June 2026
KEV Added
Patch
CVSS Score v4 7.4 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:X/V:X/RE:X/U:X
EPSS Score 0.0046 36.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-13582 is a high-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Notion (inferred from references). Its CVSS base score is 7.4 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 36.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A flaw has been found in Edimax EW-7478APC 1.04. This issue affects the function formUSBAccount of the file /goform/formUSBAccount of the component POST Request Handler. This manipulation of the argument UserName/Password causes buffer overflow. The attack is possible to be…

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carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Remote buffer overflow in public web form handler enables exploitation of public-facing app and potential privilege escalation via RCE.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-5984Shared CWE-119, CWE-120
CVE-2026-6631Shared CWE-119, CWE-120
CVE-2026-1138Shared CWE-119, CWE-120
CVE-2026-7717Shared CWE-119, CWE-120
CVE-2026-3378Shared CWE-119, CWE-120
CVE-2026-7099Shared CWE-119, CWE-120
CVE-2026-7855Shared CWE-119, CWE-120
CVE-2025-10948Shared CWE-119, CWE-120
CVE-2026-3376Shared CWE-119, CWE-120
CVE-2025-14191Shared CWE-119, CWE-120

Affected Assets

Notion
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-119 CWE-120

Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.

addresses: CWE-119

Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.

addresses: CWE-119

Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.

addresses: CWE-119

Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.

References