Security readout for executives and security teams
Plain-English summary
This CVE describes a crash in Angry IP Scanner’s preferences dialog caused by entering an excessively large value. The impact is denial of service to the local application, not data theft or system takeover based on provided sources. It matters mainly where the tool is installed on analyst or admin workstations.
Executive priority
Medium priority. This is not presented as remote compromise or data exposure, but it can disrupt a network-scanning tool used by IT or security teams. Address through software inventory, vendor version confirmation, and routine update management.
Technical view
The reported issue is a buffer overflow/out-of-bounds write class weakness in Angry IP Scanner preferences handling. Sources describe local application crash when a very large string is supplied to an unavailable value field in display preferences. CVSS 4.0 score is 6.9 with local attack vector and high vulnerable-system availability impact.
Likely exposure
Exposure is limited to systems with affected Angry IP Scanner installations. The bundle is inconsistent: the title and description name version 3.5.3, while the affected entry lists 3.11. Treat installed versions around these references as requiring vendor verification.
Exploitation context
A public ExploitDB reference exists, but the provided sources do not show active exploitation. The CVE is not listed as KEV in the bundle. Exploitation appears local and focused on crashing the application through its preferences UI, reducing scanner availability.
Researcher notes
The source bundle contains a version discrepancy: 3.5.3 in the title/description and 3.11 in the affected list. Avoid assuming broader version impact without vendor confirmation. Public exploit reference indicates reproducibility information exists, but active exploitation is not evidenced here.
Mitigation direction
- Inventory Angry IP Scanner installations and versions on workstations and admin systems.
- Check Angry IP Scanner vendor guidance for fixed versions or recommended workarounds.
- Restrict use of outdated builds until version impact is clarified.
- Prioritize remediation where the tool supports operational security workflows.
Validation and detection
- Confirm whether Angry IP Scanner is installed in managed software inventory.
- Compare installed versions against vendor and CVE advisory information.
- Review endpoint crash reports for Angry IP Scanner availability issues.
- Document uncertainty between 3.5.3 and 3.11 until clarified by authoritative sources.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2018-25266 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.9MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-45993CVE reference · exploit
- Official Product HomepageCVE reference · product
- VulnCheck Advisory: Angry IP Scanner 3.5.3 Denial of Service via Preferences Buffer OverflowCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.