PULSE
LIVE0signals / 24h
FEED
vulnKEV agrega CVE-2026-59822 — BerriAI / LiteLLMvulnKEV agrega CVE-2026-48710 — Kludex / StarlettevulnKEV agrega CVE-2026-49869 — Kestra / Kestra OSSvulnKEV agrega CVE-2026-82329 — JFrog / ArtifactoryvulnKEV agrega CVE-2026-9586 — Sangoma / SwitchvoxvulnKEV agrega CVE-2026-83548 — SonicWall / SMA1000 AppliancesvulnKEV agrega CVE-2026-83549 — SonicWall / SMA1000 AppliancesvulnKEV agrega CVE-2026-82078 — PaperCut / NG/MFvulnKEV agrega CVE-2026-81578 — PaperCut / NG/MFvulnKEV agrega CVE-2023-49105 — ownCloud / ownCloudvulnKEV agrega CVE-2026-53362 — Linux / KernelvulnKEV agrega CVE-2026-66384 — JFrog / ArtifactoryvulnKEV agrega CVE-2021-23758 — Ajax.NET Professional / Ajax.NET ProfessionalvulnKEV agrega CVE-2015-3246 — Red Hat / LibuservulnKEV agrega CVE-2026-59822 — BerriAI / LiteLLMvulnKEV agrega CVE-2026-48710 — Kludex / StarlettevulnKEV agrega CVE-2026-49869 — Kestra / Kestra OSSvulnKEV agrega CVE-2026-82329 — JFrog / ArtifactoryvulnKEV agrega CVE-2026-9586 — Sangoma / SwitchvoxvulnKEV agrega CVE-2026-83548 — SonicWall / SMA1000 AppliancesvulnKEV agrega CVE-2026-83549 — SonicWall / SMA1000 AppliancesvulnKEV agrega CVE-2026-82078 — PaperCut / NG/MFvulnKEV agrega CVE-2026-81578 — PaperCut / NG/MFvulnKEV agrega CVE-2023-49105 — ownCloud / ownCloudvulnKEV agrega CVE-2026-53362 — Linux / KernelvulnKEV agrega CVE-2026-66384 — JFrog / ArtifactoryvulnKEV agrega CVE-2021-23758 — Ajax.NET Professional / Ajax.NET ProfessionalvulnKEV agrega CVE-2015-3246 — Red Hat / Libuser
← All CVEs
CVE WatchSep 2, 2026

CVE-2023-20577

A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially res

CVSS

7.4

High

EPSS

KEV

Exploit Today

0

0-100

Published: Sep 2, 2026 · Last modified: Sep 2, 2026 · CWE-121

EPSS · 30d

Not enough EPSS history yet.

Technical description

A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.

Official references
Related CVEs
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-843518.3 HIG
17.2%
5Buffer overflow in GPU in Google Chrome on on Windows prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)2d
CVE-2026-737834.9 MED
16.9%
5Stack overflow vulnerabilities exist in an API endpoint of AOS-CX. Successful exploitation could allow an authenticated malicious actor to cause a denial-of-service condition on the affected system.1d
CVE-2026-780129.8 CRI
32.6%
10An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a device crash, or a potential remote attack vector without the originating device receiving a CIP error indicating that the request could not be processed.3d
CVE-2026-12661
4.4%
1A denial-of-service security issue exists within FactoryTalk® Historian Machine Edition.  A network adjacent attacker who is authenticated could send crafted requests to the web interface, resulting in buffer overflow conditions that may cause the device to crash and become unresponsive.2d
CVE-2026-826169.9 CRI
47.0%
14A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681_B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.2d
CVE-2026-825939.9 CRI
41.6%
12A flaw has been found in D-Link DIR-825M 1.1.8. This impacts the function sub_41802C of the file /boafrm/formLtefotaUpgradeFibocom of the component LTE Module Firmware Upgrade. This manipulation of the argument fota_url causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used.3d