Critical FreePBX Zero-Day Vulnerability CVE-2025-57819 Exposed and Exploited
By
Tiberium
8mo ago· 16 min readenInsight
100/100
Golden Brown
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Summary
A critical zero-day vulnerability (CVE-2025-57819) has been discovered in FreePBX, a popular open-source PBX system. The article details how malicious actors have exploited this security flaw, potentially compromising sensitive personal data and telecommunications systems. The tone is highly critical of internet security practices and the broader implications of technological vulnerabilities in modern infrastructure.
Key quotes
· 4 pulledWe present even further evidence that as a species we made a fairly painful mistake when we discovered electricity - and it just got worse and worse
Today, inside this hellscape we call the Internet, a mean person has discovered a zero-day(s) in FreePBX
the dastardly individual(s) then proceeded to exploit FreePBX
You Already Have Our Personal Data, Take Our Phone Calls Too
We’re back - it’s a day, in a month, in a year - and once again, something has happened.
In this week’s episode of “the Internet is made of string and there is literally no evidence to suggest otherwise”, we present even further evidence that as a specie
