CVE-2025-1253
Last modified
CVE-2025-1253 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.2.23, from 6.0.0 before 6.0.1.42, from 5.3.0 before 5.3.*, from 4.5c before 5.2.*.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.2.23, from 6.0.0 before 6.0.1.42, from 5.3.0 before 5.3.*, from 4.5c before 5.2.*.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rti | Connext Professional | >= 4.5c, <= 5.2.3 |
| Rti | Connext Professional | >= 5.3.0, <= 5.3.1.45 |
| Rti | Connext Professional | >= 6.0.0, <= 6.0.1.40 |
| Rti | Connext Professional | >= 6.1.0, < 6.1.2.23 |
| Rti | Connext Professional | >= 7.0.0, < 7.3.0.7 |
| Rti | Connext Professional | >= 7.4.0, < 7.5.0 |
References
- https://www.rti.com/vulnerabilities/#cve-2025-1253Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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