CVE-2026-7300
published 2026-06-17CVE-2026-7300: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter…
high8.8CVSS 4.0
AVNACLATNPRNUINVCLVILVAHSCNSINSAN
EPSS
0.28%
19.7th percentile
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.This issue affects Connext Professional: from 7.4.0 before 7.*, from 7.0.0 before 7.3.1.3, from 6.1.2 before 6.1.*.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| rti | connext_professional | >= 6.1.2 < 6.1.* | 6.1.* |
| rti | connext_professional | >= 7.0.0 < 7.3.1.3 | 7.3.1.3 |
| rti | connext_professional | >= 7.4.0 < 7.* | 7.* |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
CVEList
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.
cvelistv5·2026-06-17·CVSS 8.8
CVE-2026-7300 [HIGH] CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.This issue affects Connext Professional: from 7.4.0 before 7.*, from 7.0.0 before 7.3.1.3, from 6.1.2 before 6.1.*.
VulDB
RTI Connext Professional Web Integration Service buffer overflow
vuldb·2026-06-17
CVE-2026-7300 [CRITICAL] RTI Connext Professional Web Integration Service buffer overflow
A vulnerability was found in RTI Connext Professional. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component Web Integration Service. This manipulation causes buffer overflow.
This vulnerability is tracked as CVE-2026-7300. The attack is possible to be carried out remotely. No exploit exists.
Upgrading the affected component is recommended.
GHSA
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.This issue affe
ghsa_unreviewed·2026-06-17
CVE-2026-7300 [HIGH] CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.This issue affe
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow.This issue affects Connext Professional: from 7.4.0 before 7.*, from 7.0.0 before 7.3.1.3, from 6.1.2 before 6.1.*.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-06-17
Published