CVE-2019-25437Public exploit

Application crash via oversized UID processing

Published Feb 20, 2026 · Updated Feb 20, 2026

Stack-based buffer overflow in Foscam Video Management System 1.1.6.6 allows local users to crash the application through the UID field. During Add Device, Login Check processes a 5,000-character UID without enforcing the destination stack buffer's bounds, causing an overflow. Triggering the flaw requires local interaction with the desktop interface; the published proof of concept demonstrates an application crash only.

CVSS severity6.7
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Foscam Video Management System 1.1.6.6 allows local users to crash the application through the UID field. During Add Device, Login Check processes a 5,000-character UID without enforcing the destination stack buffer's bounds, causing an overflow. Triggering the flaw requires local interaction with the desktop interface; the published proof of concept demonstrates an application crash only.

The record

CVE
CVE-2019-25437
Published
Feb 20, 2026
Updated
Feb 20, 2026
Vendor
Foscam
Product
Foscam Video Management System
Classifications
CWE-121, T1499.004
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 20, 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=1.1.6.6

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Foscam · Foscam Video Management Systemversion=1.1.6.6

Published CVSS scores

6.7VulnCheckCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.2VulnCheckCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1499.004Application or System Exploitation

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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