Vulnerability in Juniper Junos
CVSS score
5.5
EPSS probability
%0.1
Risk score
0.0
Published
3 mo ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2026-57025 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
A Return of Pointer Value Outside of Expected Range vulnerability in the fileio library of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privilged attacker to cause a Denial-of-Service (DoS). On EX Series, QFX Series and MX Series a low-privileged attacker issuing a specific 'show l2-learning' or 'show ethernet-switching' command will cause an l2ald crash which will lead to a temporary service impact for all layer 2 services until the process has automatically restarted. This issue affects EX Series, QFX Series, MX Series: Junos OS: * all versions before 23.2R2-S7, * 23.4 versions before 23.4R2-S7, * 24.2 versions before 24.2R2, * 24.4 versions before 24.4R1-S2. Junos OS Evolved: * all versions before 23.2R2-S7-EVO, * 23.4 versions before 23.4R2-S8-EVO, * 24.2 versions before 24.2R2-EVO, * 24.4 versions before 24.4R1-S3-EVO.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-57025 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 | ex2300 | View |
| 7 | juniper | ex2300-c | View |
| 8 | juniper | ex3400 | View |
| 9 | juniper | ex4000 | View |
| 10 | juniper | ex4100 | View |
| 11 | juniper | ex4100-f | View |
| 12 | juniper | ex4100-h | View |
| 13 | juniper | ex4100-h-12t | View |
| 14 | juniper | ex4300 | View |
| 15 | juniper | ex4400 | View |
| 16 | juniper | ex4600 | View |
| 17 | juniper | ex4650 | View |
| 18 | juniper | ex9204 | View |
| 19 | juniper | ex9208 | View |
| 20 | juniper | ex9214 | View |
| 21 | juniper | mx10004 | View |
| 22 | juniper | mx10008 | View |
| 23 | juniper | mx2008 | View |
| 24 | juniper | mx2010 | View |
| 25 | juniper | mx2020 | View |
| 26 | juniper | mx204 | View |
| 27 | juniper | mx240 | View |
| 28 | juniper | mx301 | View |
| 29 | juniper | mx304 | View |
| 30 | juniper | mx480 | View |
| 31 | juniper | mx960 | View |
| 32 | juniper | qfx10008 | View |
| 33 | juniper | qfx10016 | View |
| 34 | juniper | qfx5110 | View |
| 35 | juniper | qfx5120 | View |
| 36 | juniper | qfx5130 | View |
| 37 | juniper | qfx5140 | View |
| 38 | juniper | qfx5200 | View |
| 39 | juniper | qfx5210 | View |
| 40 | juniper | qfx5220 | View |
| 41 | juniper | qfx5230-64cd | View |
| 42 | juniper | qfx5240 | View |
| 43 | juniper | qfx5241 | View |
| 44 | juniper | qfx5250 | View |
| 45 | juniper | qfx5700 | View |
| 46 | juniper | junos os evolved | View |
| 47 | juniper | junos os evolved | View |
| 48 | juniper | junos os evolved | View |
| 49 | juniper | junos os evolved | View |
| 50 | juniper | junos os evolved | 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 |
|---|---|---|---|---|
| 6.8 | CVSS V40 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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 |
| 5.5 | CVSS V31 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/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-2026-57025 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-2026-57025 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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Vulnerability in Juniper Junos
OS command injection in Juniper Virtual Lightweight Collector
OS command injection in Juniper Junos OS Evolved
Cross-site scripting in Juniper Junos Space
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-2026-57025"