Improper Neutralization of Delimiters in Mongoose Web Server library (CVE-2024-42392) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2024-42392

Improper Neutralization of Delimiters in Mongoose Web Server library

Answer in brief

CVE-2024-42392 records a Unknown severity vulnerability in Improper Neutralization of Delimiters in Mongoose Web Server library. The current sources do not mark it as known exploited. The current feed maps Cesanta/Mongoose Web Server (generic), Siemens/Reyrolle 7SR5 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 18, 2024Updated Sep 8, 2026Source checked Sep 8, 2026First seen by HOL Sep 8, 2026Material review Sep 8, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Cesanta/Mongoose Web Server (generic), Siemens/Reyrolle 7SR5 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Cesanta/Mongoose Web Servergeneric	0	Not reported
Siemens/Reyrolle 7SR5generic	>=0 <V2.70	V2.70

Recommended response

Check inventory. Check lockfiles and deployed manifests for Cesanta/Mongoose Web Server, Siemens/Reyrolle 7SR5.
Review the reported fix. Update Siemens/Reyrolle 7SR5 to V2.70 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Nov 18, 2024
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 8, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 8, 2026

Sources and claim methodology

Upstream source description

Improper Neutralization of Delimiters vulnerability in Cesanta Mongoose Web Server v7.14 allows to trigger an infinite loop bug if the input string contains unexpected characters.

Quoted source text, attributed separately from HOL analysis.