CVE-2025-31644Public exploitNetwork attack vector

Root command execution via save file parameter

Published May 7, 2025 · Updated Feb 26, 2026

Command injection in F5 BIG-IP allows remote authenticated users with administrator privileges to execute system commands as root. The save command accepts shell syntax in its file parameter and evaluates it as operating-system command input. Exploitation requires Appliance mode and access to iControl REST under /mgmt or the SSH tmsh shell, crossing the mode's boundary against Advanced Shell commands.

CVSS severity8.7
High
EPSS probability26.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in F5 BIG-IP allows remote authenticated users with administrator privileges to execute system commands as root. The save command accepts shell syntax in its file parameter and evaluates it as operating-system command input. Exploitation requires Appliance mode and access to iControl REST under /mgmt or the SSH tmsh shell, crossing the mode's boundary against Advanced Shell commands.

The record

CVE
CVE-2025-31644
Published
May 7, 2025
Updated
Feb 26, 2026
Vendor
F5 Networks
Product
BIG-IP
Classifications
CWE-77, T1059.004, T1210
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=15.1.0 <15.1.10.7
  2. Affected versionversion=16.1.0 <16.1.6
  3. Affected versionversion=17.1.0 <17.1.2.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

F5 Networks · BIG-IPversion=15.1.0 <15.1.10.7; version=16.1.0 <16.1.6; version=17.1.0 <17.1.2.2

Published CVSS scores

8.5F5 NetworksCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:L
8.7F5 NetworksCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1059.004Unix Shell
T1210Exploitation of Remote Services

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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