Vulnerability details
CVE-2026-102068
Juniper Networks Junos OS Evolved
Junos OS Evolved: Malformed TCP key-chain traffic causes a kernel panic when BGP or LDP key-chain authentication is used
CVSS 4.0
9.2Critical
Official description
A Stack-based Buffer Overflow vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated remote attacker to trigger a kernel panic via a crafted TCP packet when key-chain authentication is used for BGP or LDP.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.2Critical | 4.0 | CVEProject cvelistV5 (CNA) (juniper) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:H/SI:N/SA:L |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (juniper) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Juniper Networks | Junos OS Evolved | v < 23.2R2-S7.7-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 23.4X100 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 23.4 ≤ v < 23.4R2-S8.11-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 24.2 ≤ v < 24.2R2-S5.6-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 24.4 ≤ v < 24.4R2-S5-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.2 ≤ v < 25.2R2-S2-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.2X100 ≤ v < 25.2X100-D35-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.4 ≤ v < 25.4R1-S3-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.4X300 ≤ v < 25.4X300-D40-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 26.2 ≤ v < 26.2R1-S2-EVO | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://supportportal.juniper.net/JSA112250 vendor-advisory
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-10-14
- Last updated
- 2026-10-15
- State
- Published
- Assigner (CNA)
- juniper
- Kolun priority
- 28 · Low
Exploit prediction (EPSS)
0.74%
Probability of exploitation in 30 days
54.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-121Stack-based Buffer Overflow