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CVE-2025-47729: TeleMessage TM SGNL Hidden Functionality Vulnerability

criticalknown exploitedCVE-2025-47729
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 a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.

CSIRTS triage

vendor: TeleMessageproduct: TM SGNLInformation disclosure
What
This vulnerability involves the archiving backend holding cleartext copies of messages from TM SGNL application users.
Who is affected
Users of the TM SGNL application are affected.
Urgency
Remediation is critical as the vulnerability is actively exploited.
Action
Users should apply the recommended security measures from TeleMessage.

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
2025-05-12
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-47729

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-2025-47729coverage & 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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