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CVE-2025-48928: TeleMessage TM SGNL Exposure of Core Dump File to an Unauthorized Control Sphere Vulnerability

criticalknown exploitedCVE-2025-48928
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
TeleMessage TM SGNL contains an exposure of core dump file to an unauthorized control sphere Vulnerability. This vulnerability is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump.

CSIRTS triage

vendor: TeleMessageproduct: TM SGNLInformation disclosure
What
TM SGNL contains an exposure of core dump file to an unauthorized control sphere vulnerability that may disclose sensitive information.
Who is affected
Deployments of TeleMessage TM SGNL that utilize the affected JSP application are at risk.
Urgency
This vulnerability is critical and has been exploited, making remediation urgent.
Action
Implement security measures to restrict access to core dump files and apply updates.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-07-01
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-48928

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-48928coverage & exploitation statusNVD · CVE.org

Recent advisories for TeleMessage TM SGNL

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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