CVE-2026-101980
CVE-2026-101980 · Junos OS: Malformed Extended Echo requests cause a Routing Engine reboot when Extended Echo is enabled
This page contains facts from public vulnerability sources. Check the original advisory before updating.
An Integer Underflow vulnerability in the kernel of Juniper Networks Junos OS with Extended Echo configured allows an unauthenticated, network-based attacker to cause a denial of service by a kernel crash.
CVSS 9.3 · Critical · EPSS 0.5% · Fix available
- Published
- Updated
Affected products and versions
junos os
- Versions
- ≥ 0, < 23.2R2-S7.7: Affected (custom)
- ≥ 23.4, < 23.4R2-S8.13: Affected (custom)
- ≥ 24.2, < 24.2R2-S5.5: Affected (custom)
- ≥ 24.4, < 24.4R2-S5: Affected (custom)
- ≥ 25.2, < 25.2R2-S2: Affected (custom)
- ≥ 25.4, < 25.4R1-S3: Affected (custom)
- ≥ 26.2, < 26.2R1-S2: Affected (custom)
Update to 23.2R2-S7.7