Vulnerability in Juniper Junos
CVSS score
7.5
EPSS probability
%0.5
Risk score
0.0
Published
3 mo ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2026-57026 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).If the SIP ALG is enabled on an affected device, the processing of a malformed SIP invite packet will cause a flow processing daemon (flowd) crash and restart. This leads to a complete service outage until the system has automatically recovered. This issue affects Junos OS on MX Series with SPC3 and SRX Series: * all versions before 23.2R2-S7, * 23.4 versions before 23.4R2-S8, * 24.2 versions before 24.2R2-S5, * 24.4 versions before 24.4R2-S4, * 25.2 versions before 25.2R2, * 25.4 versions before 25.4R1-S2.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-57026 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | juniper | junos | View |
| 2 | juniper | junos | View |
| 3 | juniper | junos | View |
| 4 | juniper | junos | View |
| 5 | juniper | junos | View |
| 6 | juniper | junos | View |
| 7 | juniper | junos | View |
| 8 | juniper | mx-spc3 | View |
| 9 | juniper | mx240 | View |
| 10 | juniper | mx480 | View |
| 11 | juniper | mx960 | View |
| 12 | juniper | srx1500 | View |
| 13 | juniper | srx1600 | View |
| 14 | juniper | srx2300 | View |
| 15 | juniper | srx300 | View |
| 16 | juniper | srx320 | View |
| 17 | juniper | srx340 | View |
| 18 | juniper | srx345 | View |
| 19 | juniper | srx380 | View |
| 20 | juniper | srx400 | View |
| 21 | juniper | srx4100 | View |
| 22 | juniper | srx4120 | View |
| 23 | juniper | srx4200 | View |
| 24 | juniper | srx4300 | View |
| 25 | juniper | srx440 | View |
| 26 | juniper | srx4600 | View |
| 27 | juniper | srx4700 | View |
| 28 | juniper | srx5400 | View |
| 29 | juniper | srx5600 | View |
| 30 | juniper | srx5800 | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 8.7 | CVSS V40 | HIGH | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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:Y/R:A/V:X/RE:M/U:X | NVD |
| 7.5 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-57026 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-57026 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
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Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-57026"