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.
References
| Link | Resource |
|---|---|
| https://supportportal.juniper.net/JSA110085 | Vendor Advisory |
Configurations
Configuration 1 (hide)
| AND |
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Configuration 2 (hide)
| AND |
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History
16 Jul 2026, 09:16
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (en) 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. |
13 Jul 2026, 20:30
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:* cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5140:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r2-s3:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5230-64cd:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx10008:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:24.4:-:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:* cpe:2.3:h:juniper:ex9208:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s2:*:*:*:*:*:* cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:* cpe:2.3:h:juniper:ex9204:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:ex4100-h:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s5:*:*:*:*:*:* cpe:2.3:h:juniper:ex9214:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx10004:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5240:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:24.2:r1-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s1:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s6:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s1:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:24.4:r1:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5700:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:ex4000:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5130:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:-:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s1:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5220:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s5:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r1:*:*:*:*:*:* cpe:2.3:h:juniper:ex2300-c:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s4:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r2-s6:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s6:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s3:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:* cpe:2.3:h:juniper:ex4600:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r2-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:* cpe:2.3:h:juniper:ex3400:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:24.4:-:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r2-s4:*:*:*:*:*:* cpe:2.3:h:juniper:ex4650:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:24.2:r1:*:*:*:*:*:* cpe:2.3:h:juniper:qfx10016:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s1:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:24.2:r1:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r2-s3:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:24.4:r1-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r1:*:*:*:*:*:* cpe:2.3:h:juniper:ex4100:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5241:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:* cpe:2.3:h:juniper:ex4300:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:ex4100-f:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5120:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:24.4:r1:*:*:*:*:*:* cpe:2.3:h:juniper:ex2300:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r2-s5:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5250:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s7:*:*:*:*:*:* cpe:2.3:h:juniper:ex4400:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r2-s5:*:*:*:*:*:* cpe:2.3:o:juniper:junos:24.2:r1-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:* cpe:2.3:h:juniper:ex4100-h-12t:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:24.2:-:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s4:*:*:*:*:*:* cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r1-s2:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s3:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.4:-:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r2-s6:*:*:*:*:*:* cpe:2.3:o:juniper:junos:24.2:r1-s1:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:* cpe:2.3:h:juniper:mx301:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5110:-:*:*:*:*:*:*:* cpe:2.3:o:juniper:junos:23.4:r2-s4:*:*:*:*:*:* cpe:2.3:o:juniper:junos_os_evolved:23.2:r2:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5210:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx304:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:qfx5200:-:*:*:*:*:*:*:* |
|
| References | () https://supportportal.juniper.net/JSA110085 - Vendor Advisory | |
| First Time |
Juniper qfx5130
Juniper qfx5240 Juniper ex9208 Juniper mx10004 Juniper Juniper qfx10008 Juniper mx480 Juniper qfx5230-64cd Juniper mx960 Juniper ex3400 Juniper ex4300 Juniper ex4650 Juniper mx2020 Juniper qfx5210 Juniper ex4000 Juniper ex4100 Juniper qfx10016 Juniper qfx5700 Juniper ex9214 Juniper qfx5200 Juniper ex4600 Juniper mx204 Juniper qfx5120 Juniper ex4100-h Juniper mx10008 Juniper mx304 Juniper ex2300-c Juniper qfx5241 Juniper ex9204 Juniper qfx5110 Juniper mx240 Juniper ex4100-f Juniper ex2300 Juniper mx2008 Juniper ex4100-h-12t Juniper junos Juniper qfx5140 Juniper qfx5220 Juniper mx2010 Juniper junos Os Evolved Juniper mx301 Juniper qfx5250 Juniper ex4400 |
09 Jul 2026, 22:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-07-09 22:17
Updated : 2026-07-16 09:16
NVD link : CVE-2026-57025
Mitre link : CVE-2026-57025
CVE.ORG link : CVE-2026-57025
JSON object : View
Products Affected
juniper
- qfx10008
- ex4000
- qfx5210
- qfx5110
- junos_os_evolved
- ex9204
- qfx5220
- ex4100-f
- ex2300-c
- junos
- qfx5230-64cd
- qfx5700
- ex4100-h
- mx10008
- ex4600
- ex4100
- mx301
- qfx5140
- qfx5130
- ex9208
- qfx5250
- qfx5241
- mx204
- mx2008
- mx960
- mx2020
- mx304
- qfx5240
- ex2300
- qfx5200
- ex4400
- qfx5120
- mx2010
- mx480
- ex9214
- ex4300
- ex4100-h-12t
- ex3400
- qfx10016
- ex4650
- mx240
- mx10004
CWE
CWE-466
Return of Pointer Value Outside of Expected Range
