CVE-2019-25628Public exploitNetwork attack vector

Code execution via SEH overwrite during URL import

Published Mar 24, 2026 · Updated Mar 24, 2026

Out-of-bounds write in SpeedBit Download Accelerator Plus 10.0.6.0 allows remote attackers to execute arbitrary code via a malicious imported URL. The web page import path copies an oversized URL past its buffer and overwrites the Windows structured exception handler pointer with a shellcode target. Execution requires the crafted data to be submitted through File > Import > Html Web Page; the published exploit opens Calculator on Windows 10.

CVSS severity9.8
Critical
EPSS probability0.80%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in SpeedBit Download Accelerator Plus 10.0.6.0 allows remote attackers to execute arbitrary code via a malicious imported URL. The web page import path copies an oversized URL past its buffer and overwrites the Windows structured exception handler pointer with a shellcode target. Execution requires the crafted data to be submitted through File > Import > Html Web Page; the published exploit opens Calculator on Windows 10.

The record

CVE
CVE-2019-25628
Published
Mar 24, 2026
Updated
Mar 24, 2026
Vendor
SpeedBit
Product
Download Accelerator Plus
Classifications
CWE-787, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.6.0 #

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SpeedBit · Download Accelerator Plusversion=10.0.6.0 #

Published CVSS scores

9.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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