CVE-2025-52986

mediumpriority · track · 0EPSS 0.001 · 2 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.13% (2nd) EPSS

CVSS 5.5 · medium

Is it mine?

54 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low privileged user to cause an impact to the availability of the device. When RIB sharding is enabled and a user executes one of several routing related 'show' commands, a certain amount of memory is leaked. When all available memory has been consumed rpd will crash and restart. The leak can be monitored with the CLI command: show task memory detail | match task_shard_mgmt_cookie where the allocated memory in bytes can be seen to continuously increase with each exploitation. This issue affects: Junos OS: * all versions before 21.2R3-S9, * 21.4 versions before 21.4R3-S11, * 22.2 versions before 22.2R3-S7, * 22.4 versions before 22.4R3-S7, * 23.2 versions before 23.2R2-S4, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R2, * 24.4 versions before 24.4R1-S2, 24.4R2; Junos OS Evolved: * all versions before 22.2R3-S7-EVO * 22.4-EVO versions before 22.4R3-S7-EVO, * 23.2-EVO versions before 23.2R2-S4-EVO, * 23.4-EVO versions before 23.4R2-S4-EVO, * 24.2-EVO versions before 24.2R2-EVO, * 24.4-EVO versions before 24.4R2-EVO.

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · sirt@juniper.net USexploitability 1.8 · impact 3.6

v4.06.8mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:Msecondary · ENISA EU

v4.06.8mediumCVSS: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:Xsecondary · sirt@juniper.net US

v4.04.3mediumCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-401USCWE-401US

affected products (54)

Products and version ranges known to be affected.

Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
Juniper JUNOS Evolvedall versionscert_bundDEcpe:/o:juniper:junos:evolved
Juniper Junos Space <24.1R4all versionscert_bundDE
Juniper Junos Space Security Director <24.1R4all versionscert_bundDE
Juniper MX Seriesall versionscert_bundDEcpe:/h:juniper:mx:-
Juniper SRX Seriesall versionscert_bundDEcpe:/h:juniper:srx_service_gateways:-
Juniper Security Directorall versionscert_bundDEcpe:/a:juniper:security_director:-
Juniper Junos Space≤ Security Director <24.1R4cert_bundDE
Juniper Junos Space< 24.1R4cert_bundDE
Juniper Networks Junos OS0 → 21.2R3-S9enisa_euvdEU
Juniper Networks Junos OS21.4 → 21.4R3-S11enisa_euvdEU
Juniper Networks Junos OS22.2 → 22.2R3-S7enisa_euvdEU
Juniper Networks Junos OS22.4 → 22.4R3-S7enisa_euvdEU
Juniper Networks Junos OS23.2 → 23.2R2-S4enisa_euvdEU
Juniper Networks Junos OS23.4 → 23.4R2-S4enisa_euvdEU
Juniper Networks Junos OS24.2 → 24.2R2enisa_euvdEU
Juniper Networks Junos OS24.4 → 24.4R1-S2, 24.4R2enisa_euvdEU
Juniper Networks Junos OS Evolved0 → 22.2R3-S7-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved22.4-EVO → 22.4R3-S7-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved23.2-EVO → 23.2R2-S4-EVOenisa_euvdEU

showing 20 of 54

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1519Juniper JUNOS: Mehrere Schwachstellen ermöglichen PrivilegieneskalationDeutsch2025-07-09csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Juniper JUNOS, Juniper MX Series, Juniper SRX Series und Juniper Security Director ausnutzen, um Daten zu manipulieren oder offenzulegen, Sicherheitsmaßnahmen zu umgehen, Code auszuführen, einen Denial of Service zu verursachen oder seine Privilegien zu erweitern.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2025-07-11modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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