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The vulnerability of Junos OS router series SRX lies in improper syntax validation during input processing, which allows attackers to trigger service failures.
🗓️ 19 Jan 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2026-21917 | 15 Jan 202620:27 | – | attackerkb |
 | CVE-2026-21917 | 15 Jan 202621:39 | – | circl |
 | Juniper Networks Junos OS security vulnerabilities | 15 Jan 202600:00 | – | cnnvd |
 | CVE-2026-21917 | 15 Jan 202620:27 | – | cve |
 | CVE-2026-21917 Junos OS: SRX Series: Specifically malformed SSL packet causes FPC crash | 15 Jan 202620:27 | – | cvelist |
 | EUVD-2026-2689 | 15 Jan 202620:27 | – | euvd |
 | Vulnerabilities fixed in Juniper Networks JunOS | 16 Jan 202610:07 | – | ncsc |
 | CVE-2026-21917 | 15 Jan 202621:16 | – | nvd |
 | CVE-2026-21917 | 15 Jan 202621:16 | – | osv |
 | PT-2026-3129 | 15 Jan 202600:00 | – | ptsecurity |
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19 Jan 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 37.5
CVSS 27.8
EPSS0.00375